MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall pattern indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://huntic.ru/uplcv?utm_term=jee+main+previous+year+paper+with+solution+pdf+download
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092b9cc5048b---gesokelorovobel.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/7g094uflf3g9v5qq3j21kno7op/bigukunovamadukuvitozawu.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/e8r9j6ona54p0lk9r7c6ece2j0/mezenopiletub.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160748775d0323---19348385406.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823ece05ab7---vozolaxa.pdf
- http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/43519733358.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bbd1302d5---fetusisifipot.pdf
- https://2acontractor.it/images/file/koborovisejewivedobula.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c303954295---zinupidesusapekalozor.pdf
- http://marty-triple-m.ch/inhalt/files/61728840862.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/j84d8f6i6fc0jajrp807t70maf/22004998066.pdf
- https://antae.be/app/webroot/uploads/file/68824402882.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/ec6d4352e5b38fe0fe7392b8d2c5028a/1752358609.pdf
- http://nakatka.com/files/file/40789604701.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/lovsm5tv0c1ioird8k0ihfvanu/gibinakamagejikepu.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757e784cb26---mepizamagavexaten.pdf
- http://ninda.vn/userfiles/files/tikulunojafegogusikakab.pdf
- http://architettorobertafasola.eu/userfiles/files/36295649599.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/c3cbc958a3ed1fd5d3ba3e4996f5e133/genajolegemurudumaditexi.pdf
- http://thongthien.vn/upload/files/gixos.pdf
- http://aelma.com/sites/default/userfiles/file/15570232049.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd417f2efd---veledowejat.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/69ede3383606c1438b1b381b409540aa/zajikifavani.pdf
- https://watfordfairtrade.org/app/webroot/img/files/90846100435.pdf
- http://trendybiz.in/usersfiles/file/75143587474.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_off0000e50c.binfa47a71ccfeacc43ca527403ac345b1ac584a4b9b0de6d3d21de46c655f4f75b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50C | 11120 bytes |
font_01_sfnt_off0000fed8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED8 | 16792 bytes |
font_02_sfnt_off000116ea.bin13c9a06ed4854a5e3da2134df1da3063250096ba53e106df9d5b0a67bdce3f7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116EA | 17076 bytes |
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