MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs pointing to potentially compromised websites and disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a spearphishing attachment designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://drafthe.ru/uplcv?utm_term=introduction+to+mathematical+programming+solution+manual+pdf PDF link annotation
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/bcff9a74289cb156100d52f3e6a15d13/17085688649.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/nejefunulokiwevikijuzerur.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/vbchk6bamrtn3k9ciak8f5ghdm/50435016773.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799fa81e69b---xikowegires.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ba2f37ab5---76197321580.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/2r8gml5q4g5ms6h7j3ic309gn3/53150466847.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceac7a2619---67626268074.pdfIn PDF document text
- http://ibb-online.ru/f/file/burijoxadigor.pdfIn PDF document text
- http://bhs-class1957.com/clients/35434/File/nomofolipobiw.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/rubalogabisuneke.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/du59emmgehnuf29f2guog38p64/74703824530.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160c34915485c6---sobogafaburomo.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/585fddfa42d8e7d911a81a465d375fdf/nagejejul.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/4e742a4980275d752bcdb1989e76ade5/kiritisotexogagujare.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/tulapobubikuwasalizebat.pdfIn PDF document text
- https://parfumzone.ro/files/file/boxidasu.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/0k8kt0l2cajjv44cdnkblgurrf/54612053751.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000216ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x216CA | 5504 bytes |
SHA-256: 680a8bc512e2deda09ac7f902cf84e82bbe866b0f6639b3db0531e06165f1804 |
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font_01_sfnt_off00022956.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22956 | 13204 bytes |
SHA-256: d7fbd9ddee606e6486999ab037defed5fed9bec627c0a1a38919c6d270650574 |
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