MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other unknown hosts. These links are likely used to host phishing pages or distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc7aab9c93---xitopijukelonirut.pdf
- https://longislandinvestmentadvisors.com/nini/userfiles/file/70256132415.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16135248e97021---gekapeviragufejere.pdf
- https://butzbacher.turnpoint.jo/app/webroot/upload/files/19171019870.pdf
- https://cylinder96.ru/admin/ckfinder/userfiles/files/46773619419.pdf
- http://www.ssc-ras.ru/ckfinder/userfiles/files/nopofodetawiwa.pdf
- https://songhong-thudo.com/img/files/78664462832.pdf
- https://aahs.givingplan.net/sites/default/files/editor/file/pumivujogedivaweberukewez.pdf
- http://di-tech.kr/fckeditor/userfiles/file/95900945477.pdf
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/1476196307.pdf
- http://jurabos.nl/include/editor/file/nijirajovorijepevubujojol.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/080bb1c0cf663dfb9ec4a635d3a53124/94260644676.pdf
- http://minhanh.com/files/zozaniduximerobazi.pdf
- http://kartinatv.org/uploads/files/napirubifagozoxusixuti.pdf
- https://maintogelonline2.bet/contents/files/jowixagejudanitawuwip.pdf
- http://lifecare4all.com/upload/files/ponodadefizidatadimek.pdf
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/55551716645.pdf
- https://alcoquimicos.com/ckfinder/userfiles/files/6747991879.pdf
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/boxawidadotajenuwaja.pdf
- https://drticket.ir/basefile/drtiketcom/files/zababunadolodukemur.pdf
- http://pooq-design.com/app/webroot/fckfiles/file/segemina.pdf
- http://fishngrill.iorderfoods.com/uploads/files/sobebugati.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=display+carrier+name+on+status+bar+android
- 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_off0000bc38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC38 | 16792 bytes |
font_01_sfnt_off0000d44f.bin3376996f0afc28d6c3f029548af8bad8d984e11741bfbe2100c798ad52f55815 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44F | 11028 bytes |
font_02_sfnt_off0000edbd.bina99ea82b533e832decca65d0e8d47227bd9ead18ea7c4514db93e05c0a6a5bc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBD | 16364 bytes |
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