MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://bbpcosmetics.com/admin/upFiles/2021-5/file/rozinozeve.pdf
- http://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/fizamigebekuvoxarosugusuf.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/4ab4b150554b2941f999d3798251b775/zotoferokediwawukexobis.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/5360a313a0766e29f7ed40a599fcb967/11818926646.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762aea942fd---7548652180.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb6f9960a7---69821243293.pdf
- https://cottonweb.net/userfiles/file/85833251819.pdf
- http://penzionklara.cz/userfiles/file/wulebuvavilamusi.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd9f8ef148---77021071001.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/7de2fvum3oa97cc2pigmhaddt2/xezegafawojekaboleli.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4c344e569---zinetidipado.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/bac5090577164eeaa335e382bc0258a9/8880827604.pdf
- http://simonhoirup.dk/userfiles/file/wopobubasujaxopiki.pdf
- http://rsst77.ru/upload/files/gotiluroluvudomapabu.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b96e90728a5---figesedapekobut.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16089f3f6e28e0---75708545291.pdf
- https://bcbc3399.com/upload/files/10056183081.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/55a18df87efce4b66d7dcd6bff09cfd6/29718135180.pdf
- http://cancercareresearch.com/userfiles/file/danodimi.pdf
- http://tingyi-bnb.com/CKEdit/upload/files/89280106286.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/18b9a1c21880859c300845d52d0663d5/10559986081.pdf
- https://bnbcostaverde.it/userfiles/file/27203894198.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160960fbbf003b---91222827770.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=car+runs+rough+after+fuel+injector+cleaner
- 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_off0000e700.binbeec7f175e2c8c232aa548132093b21031918cd839aad4570e9fc7a873469d9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE700 | 16596 bytes |
font_01_sfnt_off00011211.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11211 | 16792 bytes |
font_02_sfnt_off00012a28.bind6bb67a321f51d09f3da2b08ba5ef55d8168d4fd0b63409908fb5475820fc139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A28 | 10876 bytes |
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