MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains multiple links to external websites, some of which are hosted on compromised WordPress installations, suggesting a link farm or redirection scheme. The primary purpose appears to be directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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 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://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/c285b904e6817bc66ccb6afd456c4fe2/fadaz.pdf In PDF document text
- http://yaan121.com/uploads/files/202109130604472788.pdfIn PDF document text
- https://tbsva.org/Upload/files/20210907090402.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/fagogovip.pdfIn PDF document text
- http://husplaza.hu/editor_up/silava.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161346c137a739---92266151072.pdfIn PDF document text
- http://chuanghuilaw.com/filespath/files/20210906131119.pdfIn PDF document text
- https://alirezamirmohammadi.com/images/upload/files/mevuginufekufaxilenilo.pdfIn PDF document text
- https://ferest.ro/imagini_ws/6944295129.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1631866696.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/nelalimofet.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/kogavubivuniwipubuwaxop.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/74662921000.pdfIn PDF document text
- http://www.tokyomagic.jp/images/library/File/viruvo.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/6283809689.pdfIn PDF document text
- http://ammk.sk/userfiles/file/39921330392.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/puzaroxelafekofug.pdfIn PDF document text
- http://yogo110.com/userfiles/file/rulogigezevodo.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/43379696822.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebc316172d---moxurovizamejuzojigox.pdfIn PDF document text
- http://staropolski.net/Upload/file/53368811266.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/94c19392546993e84a539488de9e6256/8127393122.pdfIn PDF document text
- https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/zonoxojutibir.pdfIn PDF document text
- https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/kakova.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=3rd+person+games+androidPDF 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_off0000eee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE4 | 10668 bytes |
SHA-256: d569bc8fb986d606bc440fa67b25ee6f99e41f7317bdba3d8e56393f08e308d8 |
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font_01_sfnt_off00010703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10703 | 17172 bytes |
SHA-256: 45122167cc9832766bb42f7f8737bc4c238a45ab97d308d4361959e11eba2029 |
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font_02_sfnt_off00013354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13354 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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