MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious by ML models and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various compromised websites, including WordPress installations, with URLs like 'https://irlanc.ru/uplcv?utm_term=drake+more+life+download+zip'. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically to appear as a download link. The primary attack pattern involves luring users to these external links, likely to deliver a secondary payload or conduct phishing.
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://irlanc.ru/uplcv?utm_term=drake+more+life+download+zip PDF link annotation
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/df2037bd86bbf6a4757271e0352d4085/resekod.pdfIn PDF document text
- http://strandedtattoo.net/file/34301133862.pdfIn PDF document text
- https://mytopics.it/uploads/file/xofojisugirujumakif.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac3fd5aad8---zisitufunemoli.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b575a9905c8---vuragedalaviriragofosivaj.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/44687096649.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078d65abb2cc---dabajitexif.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/bokipgenecpnb17jbehnb4dga6/42921331466.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160766ae39f82f---6286191850.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/i4o2p8kqu0vq4k0pqpvh57u8ie/31814230548.pdfIn PDF document text
- http://amandamaitland.com/images/file/45245983037.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/vilumiz.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/d941a378872ef7668e87be36bbf19c16/fesovuloxobamilowilanega.pdfIn PDF document text
- http://proxima-design.cz/files/file/3290677268.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/2150772669.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b30b9cd8d13---kamaretexuwibonapuxis.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/188e2638b1c652647431ee6fce5da2c2/80605094557.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c11d19c9bff---masuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f427.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF427 | 5216 bytes |
SHA-256: d3a9a0bfdc1d3050541cfe698eca5529885e07c77a778bf90e34bf2d44cee00e |
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font_01_sfnt_off000105f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F5 | 11544 bytes |
SHA-256: d20c28fbb8ac88203734f692a77e3d70b2efde2455f6ba575b4b01fcc0c500cb |
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