MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it is a link farm hosted on compromised CMS uploads and disposable hosting, likely designed to lure users to download further content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document's purpose is to instruct the user to open a password-protected archive, a common tactic to bypass gateway security scans.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/losopivonibaforen.pdf
- http://ylplj.com/ckfinder/userfiles/files/6022861212.pdf
- http://architettodrabeni.it/userfiles/files/84482937817.pdf
- https://tese.in/ckfinder/userfiles/files/fefaxumivekapodi.pdf
- http://alexdisinfestazioni.com/userfiles/files/72637166712.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f098c1078f---gobosalabenako.pdf
- http://watdoenwevandaag.nl/upload/61697014433.pdf
- http://trongtinpc.com/luutru/files/zejixifav.pdf
- https://rux-thai.com/ckfinder/userfiles/files/56495995833.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab4e772935---38599123592.pdf
- http://adria-ex.com/images/blog/file/mewufumusemupebegaxonu.pdf
- http://105chers.netsociality.com/upload/files/42715648584.pdf
- http://www.ondebiz.com/userfiles/file/45589935526.pdf
- https://termokingbt.com/ckfinder/userfiles/files/retotanagomuxuvolazuriri.pdf
- http://escritacontabilidade.net/fotos/news/file/47436425233.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161409075b84ac---puvabisuxiwagan.pdf
- http://dar-tom.pl/userfiles/file/71654249084.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5a3d7a875---vumewisigosikiv.pdf
- http://pololanna.com/user_img/files/13147555659.pdf
- http://kuhomania.ru/ckfinder/userfiles/files/29003014618.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/sqffpo2mk2mdl69ohmivi8tgr0/5252235212.pdf
- http://www.fashiongale.ro/userfiles/files/fitawibexizuve.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c45f92fedd---julozutomemomogotiv.pdf
- https://akanaymatbaa.com/calisma2/files/uploads/30126566760.pdf
- https://cplastik.eu/data/cms/file/vewozunoxeviponojewika.pdf
- http://blackhorsesc.pl/userfiles/file/61378241987.pdf
- https://nirkongrp.com/ckfinder/userfiles/files/goxeji.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=impossibile+aprire+file+pdf+su+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_off0000d6df.bina0e31e9d9243bfd49bf1ec363bed092f1072da079e68d6a193def611ec598375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6DF | 17088 bytes |
font_01_sfnt_off00010338.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10338 | 16792 bytes |
font_02_sfnt_off00011b4f.binb369d58973f2941f1413d22df2e7d2013b63298f5d113c3ac85a33ab1a4ed55b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4F | 10752 bytes |
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