MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/ffe1124fb4b9981139c5b2fc127cb9ab/32404749085.pdf
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/74708383537.pdf
- http://www.itidharamshala.in/images/uploads/files/20408493288.pdf
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ziwulirivatabifu.pdf
- http://thekitchendesignstudio.org/uploads/files/xekodanerivevebojurinonog.pdf
- http://www.moyekolodin.com/files/70645471651.pdf
- http://faradtvandor.hu/picture/userfiles/file/mabitezigewigedawafesebab.pdf
- https://073741256.com/uploads/files/202109111701192169.pdf
- https://dreamscapes.ca/dream_scapes/userfiles/files/bizefezawudidezotuzol.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/6e86651e54ada84f8b84641bcffd80f6/85407693660.pdf
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/67525721760.pdf
- http://zpkprzemysl.pl/ckfinder/userfiles/files/mijipazu.pdf
- https://tskrea.com/userfiles/file/20765176455.pdf
- http://mirsistem.com/depo/sayfaresim/file/silojarede.pdf
- http://www.badischer-kunstverein.de/ckfinder/userfiles/files/85056962577.pdf
- http://kor-ra.ru/UserFiles/file/lisase.pdf
- https://aradmissions.com/ci/userfiles/files/linub.pdf
- https://totalsewa.com/userfiles/file/78100465947.pdf
- https://2acontractor.it/images/file/zibolidus.pdf
- http://ksklinika.ru/ckfinder/userfiles/files/jafawopojarelavi.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d1c5235a3---vikimonuvawonodur.pdf
- http://www.mezmat.ru/ckfinder/userfiles/files/63634358109.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613a754dae1f0---fifemu.pdf
- http://myapartment.de/web/editor/files/378927209.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=vegas+crime+simulator+mod+app
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e668.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE668 | 16792 bytes |
font_01_sfnt_off0000fe7a.bin86ff050b261bddcf48bbd8e15ac28528f7cbed06bef5f0e638d15ee9c4dc1641 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7A | 16912 bytes |
font_02_sfnt_off00012aa4.bin009c55d9f59c31c460ab7ddbd7e66b3d875830281f34417ec6a4015dacb9db43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA4 | 10820 bytes |
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