MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting it's used to distribute further malicious content or phish users. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://crewmak.ru/uplcv?utm_term=bloodshot+movie+review
- http://adabaskimerkezi.com/upload/file/nifaj.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/geu0k6ck8jel490iln60p6sckf/jixitasar.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871c2beb042---dinixagevidokepabiz.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/77866d5400a5327c53a0e711c947fdfa/todiniduxolelogikadi.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/khnges1n9fuu1rvlisva9mplu7/26307234780.pdf
- http://szakkepzosiklos.hu/upload/file/54183883682.pdf
- http://alphasigmaoverseas.com/userfiles/file/rojawijijureripuw.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e02fdeb3a---ziwuzumimadoda.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/ec0ef8b7b56c661f108d4dadcc71a60f/94158089297.pdf
- http://azseal.net/uploads/userfiles/file/5613968327.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16072642d61813---89055765284.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e46813b24dd---jopipigekiwe.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb9cc438db---51601528117.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085e5a892839---tipox.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb2e530a3---93654271234.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/f823c396e306d5d9697fc46e34375f56/94205539993.pdf
- http://tcsm62.org/uploads/news/file/meboxomuwewaxirixijiti.pdf
- http://pensionpoint.cz/userfiles/files/vojigilakolibiloxisexid.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/0c290868d4b22cb6d6d9a0744ee8b042/81564245778.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/82bcec738ccc3feb4418eeecc53dbb8a/tagiluxugirepotunukaze.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/f56ebd402a379778134fbda6c8ed701c/93797202383.pdf
- http://degrossier.nl/uploads/file/28419691357.pdf
- https://www.myosiaffiliate.com/199trust/img/file/japawajifizokaliwu.pdf
- https://abugfreemind.com/userfiles/file/75094733019.pdf
- http://murphysbeads.com/clients/54316/File/55105249906.pdf
- 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_off0000f769.bin9874100c54cb64064e7c1510e7cd9004a567fae1dc4d3bb82f57afdbe9c0cff7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF769 | 10452 bytes |
font_01_sfnt_off00010f2d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F2D | 16792 bytes |
font_02_sfnt_off0001273f.bin901376a0cd51a3714165f9412efd10b1c344c10b302e674706dcca33d94bbbf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273F | 17364 bytes |
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