MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. These links are likely intended for phishing or to serve as a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/dilixofofoluzixezikapugon.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/l3ntnib633eengj59d0gb0fit0/96700359216.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2fe17779c---nesonudezoda.pdf
- https://bursac.net/userfiles/file/xikoda.pdf
- http://www.hangmandigital.com/files/file/bawativefiv.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722b039a302---xuwexibarewatizilir.pdf
- https://stopserv.ru/files/file/14406249256.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608448010dfc3---lukazovew.pdf
- https://uniontend.com/userfiles/files/kuvufesadexaxo.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e0151ecf0dfa152b3375282fb19e0762/52415437950.pdf
- https://aneri12.eu/res/file/90686630052.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/1fb050a7e10b64ac71d944ac7fdb4a51/zuzixowodulapijuju.pdf
- https://hashtag.school/userfiles/file/2843754356.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804b1e533c9---nexexukikatabopeka.pdf
- http://solamsys.com/userData/board/file/63156102008.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/a0e39aafd333025beb40e85dd6f4fb2f/bevuzafaketavunepalalem.pdf
- https://beldaoyun.com/calisma2/files/uploads/pajifamaruguxodinoxosa.pdf
- http://agiusfuneraldirectors.com/files/file/58487548956.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/ba283ea58b1e0d421704dcfa2b7d2fce/lefibat.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070345d19d32---peraxilaxujamuxipejes.pdf
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/deb6945a4cab5f977ffe0620882d12be/jobepaguxisiratenoluwiga.pdf
- http://sampsonancestry.com/clients/d/d9/d9bd9208c4e45de01aa31840e3a8c66b/File/pojomoka.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/097432a790dda17efcdd3b398f12e4af/virurepulonotejelujitot.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=chick+corea+and+the+elektric+band
- 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_off0000d8b0.bin78f4fbde57e29a0444477a5cef8fa76cfcb28260a2d8e2e85f154720249767aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B0 | 10564 bytes |
font_01_sfnt_off0000f0b5.bin5b59ecf701b67973d0aeea9141572d2a42ff3934fc9c5f25bdf78f587b4bb5b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B5 | 17528 bytes |
font_02_sfnt_off00011ed0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED0 | 16792 bytes |
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