MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://huntic.ru/uplcv?utm_term=black+ops+2+burst+weapons PDF link annotation
- http://liluby.com/upload/file/2735180286.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/taxeko.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/cd6225c7f27969395cf7aed7b86625dd/fuvonoxadigivozitu.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/79693529153.pdfIn PDF document text
- http://gesgo.de/userfiles/file/kofunulipagedade.pdfIn PDF document text
- http://wdnederland.nl/file/wijidegivuzesaz.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/leworo.pdfIn PDF document text
- https://confeccionesruiz.cl/UserFiles/File/ribokorupa.pdfIn PDF document text
- https://dichvuketoanvn.org/uploads/files/basobiduxilidovosonevev.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/18034d101d4a40dd7f078126288d5863/zajinizebibuvuzunit.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151c3c73e3ed---87808349996.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/51458040574.pdfIn PDF document text
- https://miminku3.com/contents/files/lukuwotasuribozagaved.pdfIn PDF document text
- https://giaphutelecom.com/tctt/sites/aaa/file/66136545217.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/161587458a99ef---nakopozekanonupesijegimu.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/16966302397.pdfIn PDF document text
- http://bibliotekaszamocin.pl/img/upload/files/51902587306.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/xenidikanifigarun.pdfIn PDF document text
- http://360global.ca/userfiles/file/mekafol.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/lanurefitoromejizi.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/rabexusomaluvalonopeta.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/juxenukirudolodovezawi.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/92000547705.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_off0000b243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB243 | 15768 bytes |
SHA-256: 5899b179220d60f48a0e5717e611e9e08f3e74c4529e7d9bbfc6aa30466a9f1b |
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font_01_sfnt_off0000d9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF209 | 10868 bytes |
SHA-256: 66b971315cf9098f4b8da937bef77cfe984249e508f2811e32a7331fa5abe63d |
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