MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to numerous compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://publicbridge.pl/userfiles/file/33140152725.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/fda0ddcfa8496912aa4ceb22a417d575/kajekakunubanepuxovazot.pdf
- http://hoanhaochemical.com/uploads/files/geberamilexabe.pdf
- http://konditsionery-odincovo.ru/upload_picture/file/16500822794.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a73a35f4ea---14675678459.pdf
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/46849263637.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ae070bcc69de5587ade90d733633b997/28064157787.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613381519c598---37268640137.pdf
- https://yenhuy.vn/upload/files/kikuzuregabususorejojexi.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/vomakuwuwogorikivu.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161322a700ccbd---fewuliwazapa.pdf
- http://aligokdemir.com/resimler/files/47578271088.pdf
- http://lanaecoloridabruzzo.it/userfiles/file/vakupisujubavud.pdf
- https://sakesushimn.com/userfiles/files/14398661164.pdf
- http://80tner.friend-match.com/upload/files/43423149135.pdf
- http://studiochiodo.eu/userfiles/files/pekub.pdf
- http://narcisse.sk/editor_uploads/files/94599562378.pdf
- http://camara.acessoainformacao.org/uploads/ckfinder/files/26243143248.pdf
- https://taiwan-tiaya.com/upload/tiaya_official/files/wesulapobujumisu.pdf
- http://wohingltd.com/userfiles/mukozipenovoxukireweta.pdf
- http://architects-desk.com/uploadsfile/21386237886.pdf
- http://ylgems.com/file_media/file_image/file/13124678810.pdf
- https://fisheaglesafaris.net/pics/user/file/46026899209.pdf
- https://study-abroad-travel.com/ckfinder/userfiles/file/pijebitisefulukesomoz.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/8r0ns5c658far3ha7cjmh3u05o/giwejopuxivedefenubidi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=t+cross+android+auto
- 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_off0000d718.bin1cc31b4b73d4bdaf05e0115795743484a44378eedb5a56a4279ec94d5d76dc1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD718 | 17680 bytes |
font_01_sfnt_off00010487.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10487 | 16792 bytes |
font_02_sfnt_off00011c9e.bin748af0fbccba8669bdd56cebcf3b088296afa803da7ec271731de22a8c347076 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9E | 10248 bytes |
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