MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm used for phishing or distributing further malware. The presence of embedded URLs and the nature of the heuristics indicate a deliberate attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba15fe35b84---bezatevemerotujav.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/193635aece16ebcfba87a88c90c547cb/pogevazezolalafurofifuraw.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c59d8496a3c---fefozufosawopowideje.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/bdnplutrfcc9m27gj6o6lc948j/xikuzevonanidu.pdf
- http://liccuza.ro/stiri_files/file/23342874902.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf324effd5---mubopurijisi.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/e1b9856a9fcfaa4706e2883774660b21/39095336502.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/gu61qtrrhq72q4l7g0j5s8dbc0/zutifipefesoparavepuzim.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a866b8ad8c0---62316684933.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/41b7d063119584bb582c1070fa714aec/43776019782.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/9d8cb755755a7f08a248f3853a2a037c/paremokazalakufisizanula.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/381afc1d7bbe132322aabaa9bac7bcd2/77215901508.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0c564157904fe61e37b645966ff5b391/90261209692.pdf
- http://vralumni.com/clients/7/71/71e0d721b250bdad3664bf54e70089ab/File/63016680742.pdf
- http://envigest.cz/upload/file/7083749730.pdf
- http://zbraneklapka.cz/ckfinder/userfiles/files/48699071240.pdf
- http://szao-spb.ru/images/news/file/80293375596.pdf
- https://fullhousetourism.com/UploadFiles/file/20210618050324167.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4cecc1ab5---19650376322.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/e8eb0a26c24c6b788d36c71ff5d94824/zorewu.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160d836da88060---88876802099.pdf
- http://derkwoo.com/upload/editor/files/50188211688.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/le9n9fgo6cu3ef9uv2bp6sq62r/87799349428.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/kbamfh4b2s3h06dr5c7iodfsh0/6807973456.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=reading+comprehension+stories+with+questions+and+answers
- 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_off0000e755.bin775db5eb731154ad877a08e948daf76f5fef4669c4b936ec7a7ec5385b8bec93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE755 | 16668 bytes |
font_01_sfnt_off00011298.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11298 | 16792 bytes |
font_02_sfnt_off00012aaf.bin10db9676d156a5a67395be81a9bdad7bff00620fa1117508575cec7da2171d89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AAF | 11292 bytes |
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