MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to numerous compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish for credentials. The presence of external URIs and a high ML score indicate a strong likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://trevelci.ru/ckfinder/userfiles/files/38008697642.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/269da41e9d7c1519d215514336d102f1/tonibipojolago.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0880d8429d---77190876048.pdf
- http://abwmarlboropike.com/uploads/files/50157238352.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/bfc4a3e3fd122696948d6de35bcd7ec9/51643934645.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/f3d305e09c0ef9e0c277c729ca712659/tawabugoruwilamo.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16095bd3506aca---bulodupakubutim.pdf
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82634257535.pdf
- https://cartolmania.it/file/78720984544.pdf
- http://dissanna.com/temp/fckeditor/file/48151313754.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/6a5aea0a5f634f16d1ee0b43257c29ee/vanupasuxoritek.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf0bd29f96---93313094685.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099c87cb3b1b---8321756763.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160834c5edbb80---22962540001.pdf
- http://stauarchitetti.eu/userfiles/files/67862004554.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a5ebc03d0---66740755833.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/181d9d52e9e579a204a00b4b9b042e9b/nisusodukazese.pdf
- https://badanie-wody.pl/galeria/file/18575839929.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/9c2pjii33g3khmjmv4lku049bt/lixidosinosugiveni.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/gud4v23djfpfglts5m8cjpvvo1/sotipojorezanegekikego.pdf
- https://acrgroup.nl/userfiles/file/98470124936.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609474f696643---5560919541.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081d86830f54---55689182634.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=phrases+and+clauses+exercises+for+class+8+icse
- 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_off0000f0ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0ED | 16792 bytes |
font_01_sfnt_off00010904.binf1ad6d4a77d49a8e568a834b15740ebfbbff581d15067ebc4fc6dc2706b86d72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10904 | 10888 bytes |
font_02_sfnt_off0001221b.bina96fe7c4a76b67e40302b39f74470ddb6f049f86058aeef3da4e111ebaaa119f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221B | 17060 bytes |
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