MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised websites, likely to facilitate phishing attacks or distribute further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to lure users through search engines.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://allytemp.ru/uplcv?utm_term=what+is+the+best+place+to+find+diamonds+in+minecraft
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609490bdc313a---rimoz.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d07690f500---bisejiwor.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/9d546ceb414ad7c083579723ab577a51/bawexiwodikosubivoju.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a8738e2c630---wejekipatanukododewe.pdf
- https://usssecuritate.ro/userfiles/file/zowip.pdf
- http://ixtvs.de/_upload_bilder/_filemanager/file/78852456712.pdf
- https://associazionedynamica.it/uploads/file/gewinel.pdf
- http://adabaskimerkezi.com/upload/file/lowijesur.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/77c8661c4697c4f7579db9317eda53f7/wedunuzuvuzuw.pdf
- https://10glazsikeyrosa.ru/file/wosewogijuwapavedogon.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/29992a6c74b37ffdfa8567f4398f7ce0/74907836004.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c676c1b3dbe---58930924284.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7eee28ec65---kezebawo.pdf
- https://itracmediav5.com/ckfinder/userfiles/files/jisap.pdf
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/377664fc5e60c7985968682e60589448/69606443521.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088dbca99fe7---kevitanexarosofek.pdf
- http://hk-sai.com/ckfinder/userfiles/files/11361893847.pdf
- http://aarogyamedico.com/userfiles/file/pilisaxekan.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/49097452ccd57b333241730af36172b8/sutinoguxe.pdf
- http://dichvugiayphep.net/hinhanh_fckeditor/file/pusaditujudejavuxiwi.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/7c67f6b24775b85c7b44b1d8d01b592c/6169228638.pdf
- http://interiorconsignments.com/media/file/28021941760.pdf
- http://asijskepotraviny.cz/files/file/jujovife.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd10b9759a---71060888597.pdf
- 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_off0000ec55.bin658acbbb8233ee47a4f4bb67e9dd0f7d019296e89232018f3a047cb60b18a4bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC55 | 18304 bytes |
font_01_sfnt_off00011c26.bin4ab6250654cdc2569853a5fe005785c2d55e0bbdee036194e922d1067c526e15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C26 | 11016 bytes |
font_02_sfnt_off00013550.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13550 | 16792 bytes |
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