MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of 'cmdt36ll0/wunobisejokusakegizu.pdf' and a related URL in the document text suggests an attempt to disguise or obfuscate malicious links, potentially involving command-line execution or a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/dffc5f37a3264094dd443634b9fe141c/42262791353.pdf In PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd82e060f01---vupimofilewuberavu.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210726_122007.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab7d27ac76b---fojadozikizek.pdfIn PDF document text
- http://bacsionline.net/userfiles/file/49705024499.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/86712674908.pdfIn PDF document text
- https://beautyreviveshop.com/newerac2c/userfiles/file/35302793129.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/1dfda54c693fb5144971c8dc98be7ead/25008616123.pdfIn PDF document text
- http://rayanchem.com/d/files/wexupa.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/f45fd2e0ecc3b41a99d14c7102825e01/86081620366.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/lehia2malc8k0a2sfftujo4gk2/lanadabasumin.pdfIn PDF document text
- http://huiking.cn/uploads/file/091834256714.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b58e54594b3---rapupisalenok.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/7jd76qb5r5jt2coe8qm3fcgrfo/16602840633.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c9980b9916d---rusokarudi.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/g743jja909e3cfrv9qucprcl33/89107206815.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f10c33705a---52710357206.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/32243029515.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/6dbff1be85be1fcfc6195c92a719b107/12350556719.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/07/13/dibagenek.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/sud7tn4u19k1d1he7cmdt36ll0/wunobisejokusakegizu.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/wanunokuxasabedibo.pdfIn PDF document text
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/0ff9c2f85a37ad9f3a7b0920450ed6c4/lotonenelow.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/fezimili.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160750311b88b6---36982182198.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9351ae85d---88126730430.pdfIn PDF document text
- https://mk-promotions.comIn macro / runtime command snippet
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+make+a+fake+cancer+reportPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f946.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF946 | 16856 bytes |
SHA-256: 2d1dbbc5e2f88967ab765cbcd40afbd82fd05e0162f3a6376d4bba0c5ab7ba5e |
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font_01_sfnt_off0001243c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C53 | 10504 bytes |
SHA-256: c6c4c002491076d9ce8ac6c05a68fc48020b34dc5083a8e6df8bad129d201d72 |
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