MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous links, many pointing to compromised CMS uploads, indicating a phishing or spam distribution tactic. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a campaign aiming to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/299c10b333fc199a8700f65a39f60c1f/gevitetedajonuviguvale.pdf In PDF document text
- http://haenuri.net/ckupload/files/lotudirevigit.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/tewom.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/sozepekuwewosipa.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbd9b29928---bufopiwa.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/kiwerixe.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/regevaboxep.pdfIn PDF document text
- http://www.leasebridge.com/CKUPimg/files/38069812868.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/62347572920.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j4jkjm23uc9rirmog7cacugso1/muwawomanesugulana.pdfIn PDF document text
- http://herve-coiffure.ci/files/82517485471.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/6054126992.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/xawero.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/b0b646c3025465f0452487f7260d5037/nudidewugufimivel.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/61938701073.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/2o0vq4p8l9vtlcoi6ppmk75vr4/bugexal.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109160046351552.pdfIn PDF document text
- http://riverhouse.at/pcms/content/file/86643820102.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/fugotovajezizinag.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/toxutosudop.pdfIn PDF document text
- https://vinaconexmec.vn/uploads/news_file/44504374962.pdfIn PDF document text
- http://sapthagireesyathra.srikarpagavinayagamills.com/userfiles/file/mojelibofi.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/18530720567.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/6926730.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8552898b7ef4e9ab10caf936fa1867fb/xalivikoliposusivipuxop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=icloud+unlock+activation+toolPDF 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_off0000f6e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E8 | 10172 bytes |
SHA-256: ce515a0e168133a1c419ba8b1cbfbc6838b08a8ef45c769f365f4801f2f4ad8e |
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font_01_sfnt_off00010dc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC2 | 19360 bytes |
SHA-256: b72e59a7d1a9d1551deb9841c86805fbda5d699a1ca0e866dd0d74e61a830d44 |
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font_02_sfnt_off00013fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FE0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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