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 links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://synerhu.ru/uplcv?utm_term=visi+remote+for+android PDF link annotation
- https://padservhosting.com/userfiles/file/7076512616.pdfIn PDF document text
- https://dcoderesearch.com/uploads/gifetiladawu.pdfIn PDF document text
- https://bselink.com/userfiles/file/danufemexukimasize.pdfIn PDF document text
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b36f891807---68729955324.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161358484732a2---84092456663.pdfIn PDF document text
- http://clubselectionvoyages.net/images/file/mivepinubupegawutaj.pdfIn PDF document text
- http://centronegozi.com/public/jasawatomukuviruzimivit.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/88185895516.pdfIn PDF document text
- https://www.hkfew.org.hk/ckfinder/userfiles/files/mafupimadegigemoda.pdfIn PDF document text
- http://feach.ie/images/uploads/file/24998552306.pdfIn PDF document text
- https://triyoga-tv.ru/userfiles/file/94144158678.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/wezujalosebujodojebu.pdfIn PDF document text
- http://budka39.ru/files/54571955302.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365f96524d1---32630697885.pdfIn PDF document text
- http://bellina.pl/userfiles/file/54144943499.pdfIn PDF document text
- https://maurinet.com/userfiles/file/2548479132.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/2436025226.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/65h00sc6mahdlga4vpvm06sofd/10490880550.pdfIn PDF document text
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/77201175466.pdfIn PDF document text
- https://purefeeling8.com/data/file/73945002639.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613363ad1efa3---14858029600.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_off0000bd14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD14 | 17568 bytes |
SHA-256: 1c5a5104509059bf6c5d9fef5e12cb22772442e30b0f9dd25886eafd663f03c3 |
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font_01_sfnt_off0000eada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADA | 10440 bytes |
SHA-256: 1b2c247edd77ff14320341788ff22ab14ed659164ad87c838217922fb8ba13cc |
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font_02_sfnt_off00010290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10290 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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