MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The presence of a raw IP address in one of the URIs and the ML classifier's high confidence score further support a malicious intent. While no scripts were directly extracted, the structure and heuristics suggest this PDF is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://henseltech.cz/userfiles/file/lonisogunubu.pdf
- http://humanlitech.com/files/files/55878216518.pdf
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/47735554357.pdf
- https://kiptep.ru/file/xofinimufibabadaxobozivoj.pdf
- https://bya-ingenieria.com/ckfinder/userfiles/files/jezamababuvagapumusod.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/0f3d0704e6e7505ab6bd07165ce74a03/zejunuvosexozuxijap.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/100815ac27c4ee845a84684242317d6a/73782243343.pdf
- http://studiovalecchi.it/userfiles/files/24950849071.pdf
- https://vietrocknet.org/app/webroot/img/files/vifeludumevaxaw.pdf
- http://alianzablue.com/aym_image/files/zogozavugawebomadu.pdf
- http://herbwaterthailand.com/userfiles/files/vupinoditi.pdf
- https://autoprofi.ua/userfiles/file/46262452686.pdf
- http://gfk-schwimmbad.de/i/File/98991741830.pdf
- http://betonkeritesek.eu/Content/files/49257381525.pdf
- http://crediramasrl.it/public/file/negudula.pdf
- http://ntep2008.com/UserFiles/File/sepadugu.pdf
- https://mamalight.net/business_school/uploads/file/93707984244.pdf
- http://autolavaggiocraparotta.it/userfiles/files/geliwapawuvax.pdf
- https://rpaxis.net/userfiles/file/58117074994.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/f9pqsmvp1au9kf97nj1rv3qnm0/92355526959.pdf
- http://185.33.116.145/~acus01/upload/files/nodonuxuvanazafokezo.pdf
- http://niezapominajkowo.eu/userfiles/file/fojurukurepunovulugibo.pdf
- http://80tner.friend-match.com/upload/files/susimumopevolukikerudiwub.pdf
- http://ebbers-schilderwerken.nl/uploads/files/vogujesajotizomubonupo.pdf
- https://elitstroycraft.ru/source/file/kewagujibajawukedug.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=broadcast+sms+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_off0000e889.bin6775c63b7c657a536c01746db48337cc9bb0b1916f6c899234e29ec7ff0688ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE889 | 17556 bytes |
font_01_sfnt_off0001169e.bin5bfc52cb377a57e0d4d6df0f8dac364539cc2077369059a3f94d87237e751a79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1169E | 10404 bytes |
font_02_sfnt_off00012e2a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E2A | 16792 bytes |
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