MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially harmful content. The document body is heavily obfuscated and appears to be a byproduct of the wkhtmltopdf tool, offering no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/fe4ab5f2e5decb88d91a2a2219709cef/sefatemeref.pdf In PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/d4upnjo538951srdfnf379blk0/dobejuzotafigej.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/tusawajowevadelali.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f45883675ba43c51b21257b99f5063f9/xobedimafamiperasum.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/36693055373.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210531034232.pdfIn PDF document text
- http://kasargod.net/uploads/file/revepepawazapaxapijojizo.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/sopufuxuxibetalazun.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202104/file/xotesurekabobepenad.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/63788003224.pdfIn PDF document text
- http://wamer.org/userfiles/file/3785970716.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609bab80cfaaa---77960792981.pdfIn PDF document text
- https://promise-land.com/upload/file/geroge.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980d6fcd7eb---xopefobarorisi.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cba15dc7c94---17037575891.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/hopnj3h26pu1eahaunvelvvjc7/gusopiradubudo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=dorian+yates+blood+and+guts+routinePDF 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://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_off0001028e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028E | 5236 bytes |
SHA-256: d45f6d53f985d94af330df002d2cf0bac135ab22bcbae43087d0bb67355c74a2 |
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font_01_sfnt_off00011468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11468 | 1800 bytes |
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
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font_02_sfnt_off00011cf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF6 | 11132 bytes |
SHA-256: 09e0ffd302d0b7df088295b2c0be810d7aa39a4161e4947df14d3ed2e9f047b3 |
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