MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm hosted on disposable domains. The primary function appears to be redirecting users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/65a59a17e583893aa0b5595373c90be8/dotalasamawe.pdf
- http://usmleworkout.com/files/file/28277449098.pdf
- http://e-skala.pl/userfiles/file/gigunikaromu.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/usnimgvqj7v265crggdmrk64vu/19547483901.pdf
- https://clickkedai.com/userfiles/file/majezi.pdf
- http://cityfate.com/files/files/39465448277.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/ip1jknk9tj6vp9r6j54mvrpk6k/20876561786.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bd42ff1e1f8---runasegugomosutiwimuliv.pdf
- https://madopin.com/calisma2/files/uploads/lijikoposi.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/0266f3c214490b9ffc1f83f1bd1f1c93/poraro.pdf
- http://kleinschaden-expert.de/userfiles/file/5265245042.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942bd0f3261---naviresalalozevenamimuj.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47ccc97d58---93651758251.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097874be8242---25384452261.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2ed583184---malanesasopinawutigipeli.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16080411f4af41---92152450232.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160830fd732d32---96947019041.pdf
- http://bamila.vn/luutru/files/86719860391.pdf
- http://sun-green.eu/ckfinder/userfiles/files/94572692849.pdf
- http://nanobubblevietnam.com/uploads/userfiles/file/daxipefezemeturatubizeve.pdf
- http://tecnoservizi.com/userfiles/files/witifegezole.pdf
- http://www.heksan.com.pl/file/sapijodinuk.pdf
- http://bscsaoner.in/ckfinder/userfiles/files/89299834418.pdf
- http://sam-global.ch/files/file/fidugadetov.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=city+and+guilds+functional+skills+maths+level+2+sample+paper+1+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_off0000eebb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBB | 16792 bytes |
font_01_sfnt_off000106cd.bine6ac14090878efc6896d1bddf66ea33a538bcab3066b110b7eb8965c77278786 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106CD | 18836 bytes |
font_02_sfnt_off000137fb.binf9e3eeb3b437add551f8b121f8370c5afb63911196aa1ccf889e3325d10195e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137FB | 11728 bytes |
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