MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous external URIs and links to compromised CMS uploads, suggesting a phishing or malware distribution scheme. The embedded document body is heavily obfuscated and unreadable, but the presence of external links and the ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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=thomas+paine+enlightenment
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/82cea8fe9c5981edceeca76ae69da4fa/28844107889.pdf
- http://bike-aholic.com/UserFiles/file/11541151149.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909f0c95aa4---fevosivapibulosuwaresoz.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/aab3224f897759170535cc1ccd3abe5f/sugexutigobefa.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/132f0651ffed130d1616451905da2bfe/2008823037.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836875c91e5---dufajava.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f33b0412fd---79433884743.pdf
- http://travellightnepal.com/userfiles/file/torot.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af2d3a29487---56202460065.pdf
- http://gtlmarinefuel.com/userfiles/file/pufexobagobasatobabixudi.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/p6elv2lqud1lvsr8to40jfhqc3/57298616461.pdf
- http://kusadasidentalclinic.com/img/userfiles/files/53948811761.pdf
- http://creatinglifeoptions.com/userfiles/files/sotanibiririmo.pdf
- http://work4shop.cz/userfiles/file/47638994011.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/1a5af047487b0279cb27e3bd60973ea6/30618890334.pdf
- http://birzebbugastpetersfc.com/files/file/pugowobos.pdf
- http://w-f-l.de/user_img/file/wozomapoluge.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/nbd1l491iij72oksbqkde3f1g3/91420545098.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c62e2d34deb---bulagoponifupo.pdf
- http://libertyquad72.fr/userfiles/file/55204264251.pdf
- http://the-bom.kr/upfile/files/67316703686.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ar8fdaa5vjrhu78l4jpo6nhms0/42587872031.pdf
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/06a8576eb5c13c453cab3f74337b02cf/98148689980.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c14a05b30a1---38981577207.pdf
- https://savitravel.ro/ckfinder/userfiles/files/waneja.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_off0001fa8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FA8A | 16792 bytes |
font_01_sfnt_off0002129c.bin418b837fb859cece5d58fda3e2b35b615fd94fcca72251f6b178315a1d51e14a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2129C | 19044 bytes |
font_02_sfnt_off00024378.binc2a83742aecaf057c8942e8e9e2b6ef5a577692841839d32f1497ee8d17ce555 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24378 | 10560 bytes |
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