MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised CMS upload storage, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d04c1ce60ae---kumofimodajanufewadawaxud.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083c1f257b98---nilusakowuwizusaxamazezej.pdf
- https://minegociomiweb.com/userfiles/file/pugizuruvegibasulubisigo.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f11acc2772---63842297853.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087180703ba4---29223561264.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606efe2c9297b---27609916730.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/ab192a4d1d9c239c7750c001c36d02a1/baxunososapabewegodefaje.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/6c0a2078dd5f8ec1ee25f2850d548931/14667449762.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bf6f8c71a---7912328388.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/gavudorutudalopefufupemat.pdf
- https://zlatartopalovic.rs//files/19166738251.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/p1eifraen97n7gldf0udbp5tub/jonuvokalivejomesurozi.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/780600c223a99a07f083ed40801ca1a5/37673259864.pdf
- http://absolutelyneon.com/userfiles/file/xolorifuxudagew.pdf
- https://fonixkoncert.hu/upload/file/pofififefo.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607435af1cb85---77983513192.pdf
- http://amadpich.com/userfiles/file/lifakujaz.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc4fb25048---25717685867.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=flute+by+rajesh+cherthala
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d43c.binfd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43C | 16164 bytes |
font_01_sfnt_off0000e9b3.bin5c6e38e796ce2e2da7c7d31d7db021eb643e340c7fa14825a6a64ce591e49eb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B3 | 10472 bytes |
font_02_sfnt_off000101b6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B6 | 16792 bytes |
font_03_sfnt_off000119c8.bin6c187c7ee74a608bd9c765abf5c160c411f6d33e56861a5fa987a6af8bf22d8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C8 | 16600 bytes |
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