MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains obfuscated content and numerous links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users to malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
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://inwebjor.ru/uplcv?utm_term=relative+formula+mass+of+ammonia PDF link annotation
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/2cb7a104ebad2c7c8f05f9d9dc0de5e4/91752547822.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a5dade17e70---73413485310.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/siwizamebasiwarorixoz.pdfIn PDF document text
- https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/jg5ak156icbnmhp8kjsj0lu5k2/87868190466.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/9823044794.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/e1fade1e7ca0cddbec786eac44c9aa01/184898421.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/379679220e102694509a5a7fff6ef62b/wokatekagalile.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608e0b7141efa---15292692010.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aaa0ac91a8---naniluma.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/93202451832.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/dazamezenozuxugazuliz.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085902c1ea5a---93323202906.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/77ea098e357b614b1b360111c448ac36/79015044315.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc75d1f1055---viwoxofadilumoraru.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/nonugepudu.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/05204f4605665e0b2f34093278fd5dbe/vevosonororulijajokij.pdfIn PDF document text
- http://ya-ke.cn/admin/upload/lolaj.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608042075095d---zovetu.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/74999593747.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_off00011e32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E32 | 4980 bytes |
SHA-256: 43a1ab992691957bfa921ef2d0a1052b3cf4d81b6b87ad59ce2fb38a124350ff |
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font_01_sfnt_off00012f19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F19 | 11460 bytes |
SHA-256: 01d4cfb0d38ae3af36f0d45636a64b6d1c2a893192f2c56619483cd7cdade2a2 |
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