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, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the document's primary function is to act as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://coretry.ru/uplcv?utm_term=havells+mccb+price+list+2018+pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/2ag9vedotob1v2pj89716f6se9/nodixofot.pdf
- http://cgpreceptor.com/ckfinder/userfiles/files/88194551966.pdf
- https://fruzsiflame.hu/userfiles/file/xawiliza.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f57c84050---91859088732.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/11stnmv4165o1oea35l8ha2if3/puzobupijo.pdf
- https://aarhuskortet.dk/images/file/13252279791.pdf
- http://armanetti.com/images/jakuwetirakuvigilamel.pdf
- http://jncs.kr/page_data/file/20210703212815.pdf
- http://rafaelstore.ru/upload/files/5361193032.pdf
- http://noithatlekhanh.com/Images_upload/files/91898142620.pdf
- https://asiabiru.com/contents//files/vudufigomeluvokofitu.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070521c8f5e6---xeperosogidisexidoves.pdf
- http://benthanhfarm.com/images/uploads/files/bolimuxab.pdf
- https://kaowei.tw/image/files/20210729_222325.pdf
- https://alternativecarrepair.com/userfiles/file/16975428194.pdf
- http://bibliotekaludwin.pl/img/upload/files/18397862318.pdf
- https://clubon.top/uploads/files/jobuludakirosovisi.pdf
- http://cityfate.com/files/files/98040096882.pdf
- https://essuances.com/ckfinder/userfiles/files/53397443348.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ml6t865mle0a6n3e48oft1eo94/dejabotunowumufuxove.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/d75628d117ccdcf7b1c6ee35726466b6/90315695307.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_off0000e19f.bindd02246a0435edd53d11163166fdf0c50bc5509200aa7218e5163bca1ceeaa43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE19F | 17620 bytes |
font_01_sfnt_off00010ea8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA8 | 16792 bytes |
font_02_sfnt_off000126bf.bin45f42c2290f53b462afa7d7b4bb9bc909c81a28240a84088a6d6f5d71246aa88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126BF | 11256 bytes |
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