MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the presence of PDF-specific heuristics and the nature of the URLs indicate a likely attempt to exploit PDF vulnerabilities or deliver a secondary payload via web redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://catamma.ru/uplcv?utm_term=never+have+i+ever+questions+for+adults+clean PDF link annotation
- https://anandamsanyal.com/userfiles/file/pofedipeku.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/dazosapegusobedijexemize.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a18d8afbbc---34762950017.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/481f9b0ad996f46a203ed05bc7a4ffc1/51265596139.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a7356e0fe63---28877273172.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/ebc5ef031f3fcfa8e86cfe0b0b2b71f6/wewitovaf.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/67a5142080fd1f2c2e7d8af6551dadf6/liwokon.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/96713051344.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074485d6a3cd---zipusuzamagudirevame.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/ebaf2e7056f4581e54654c3e554cfe56/96235972448.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/1c2269b41f953b799661a26ca3cc8fc3/63945424441.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e5806e749---pabaf.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/tbebhda0pgm7f7hcp210kf4i66/fapudiwilo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000feff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFF | 5144 bytes |
SHA-256: 3350d647bdbd4783d7e7828e12bb1e88951fb2345d957d6c45bffb6e5b3ac6b6 |
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font_01_sfnt_off0001107e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107E | 10576 bytes |
SHA-256: 19f861d61ea536e4feb794a131eea261ec453154e9864419b24e0f259b453299 |
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font_02_sfnt_off0001346e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1346E | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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