MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The 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 embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://chcial.ru/uplcv?utm_term=can+u+download+fortnite+on+playstation+3 PDF link annotation
- http://noahsmarinesurveyors.ca/userfiles/file/82945677791.pdfIn PDF document text
- http://giga.sk/storage/file/wufupizasakuwa.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/rrgiu8e9mtrg90arqot9p3s49t/75931426195.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/rinaniv.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089775f4ef21---zogexirugabafaselo.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/cbkh9hmuiif91pjsds1bqe312i/pokopaf.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/gagerawisofuxujoveraze.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608043feac02f---57252820918.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/2ec843a42a1a30c5dd96b8427c9621c9/85769363248.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/pbmp375gv8j3pvu0fsghvl2hp5/nefif.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/petutejosabifofefixigaz.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/81275104875.pdfIn PDF document text
- http://waukeganeast1980.com/clients/877304/File/53338755070.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/fovotopivonepemugor.pdfIn PDF document text
- http://websurin.net/UserFiles/File/17256024408.pdfIn PDF document text
- http://mopi.eu/ckfinder/userfiles/files/83259432828.pdfIn PDF document text
- http://wych123.com/upload/files/zuwekemazakowevavipiwi.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/94988180356.pdfIn PDF document text
- http://jucal.es/images/file/teritetulagusabeke.pdfIn PDF document text
- http://gawhs80.com/clients/873705/File/15150896615.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b8e7e76d930b692402fcbd70b84470e4/najiwufak.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/1bb78d32fc5265b954922905aa62e88a/xirul.pdfIn 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://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_off0000d367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD367 | 10992 bytes |
SHA-256: d9ba6b90846203b2416119f6475d09ffbf0fdf506ffa7dc7a32471055b858044 |
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font_01_sfnt_off0000ed28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED28 | 16964 bytes |
SHA-256: 85d67a3134a4de489a4d3dc70246214574013b9d3f60366d3e554845d98ce0c0 |
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font_02_sfnt_off0001197a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1197A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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