MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan delivery mechanism. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to distribute further malicious content or phish users. The presence of external URIs and the overall structure indicate a malicious intent to redirect users to potentially harmful sites.
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://wastran.ru/uplcv?utm_term=critical+ops+hack+android+download PDF link annotation
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/493cb5efd0415d5f9901ffe7e6ea334e/zigupezileranufefil.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160875fd9e3b0a---79793892371.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/83v1lq2s34odppac7hp0rfdmun/16045707370.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/98aac17f4aba98e307c80fdd342ab9e0/tujeniwajol.pdfIn PDF document text
- http://coopmong.com/ckupload/files/monaxokitodabasikowepado.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/4f9dddc96325dfc3c916c8ea919a190f/86441922648.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/53634379100.pdfIn PDF document text
- http://ashioke.com/images/library/File/70501389257.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6cfe8b7f5---1867063684.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/vhn6l46uuq2398rkv2ji1b7fkomf1jak/30445851239.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7703dc6d25---73000460791.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/fabb5d86c1eb48d1d22effff0b6136d5/1581783944.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/539a4f3db007e75b58ed9689204b23a7/bigajunegazuzefujazu.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/el2ib6vhf23o32g4q39om41m1u/fovegijadolorasuwexinem.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16096de00a616d---67323282564.pdfIn PDF document text
- http://zxsolar.com/d/files/34811066248.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/vetebufuvoborenarusazana.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_off0000e011.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE011 | 5220 bytes |
SHA-256: 30422df26b288ea872961cafab8c1494d2656a2563dde1a6dbe78713d9f2ad3e |
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font_01_sfnt_off0000f1d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D6 | 11208 bytes |
SHA-256: 7f4895a326537fae4b691ccb54ff8d01bd5523c9bb874db342e28b1681129653 |
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