MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded JavaScript stream and a large number of external URIs, many of which point to compromised WordPress sites acting as a link farm. These links likely serve to host malicious payloads or redirect users to phishing sites, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/64bf6366958352480744bdc485979e29/tizexami.pdf In PDF document text
- https://pichsas.com/file/34733290373.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/bejadelu.pdfIn PDF document text
- http://deborahbrown.us/clients/860103/File/wakaro.pdfIn PDF document text
- http://olympusflights.com/files/files/70114807491.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/3fv2om8i0g46d9m842hji4qn62/5439908473.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa9f80fc1c---3686720079.pdfIn PDF document text
- https://hideab.se/tc/Mediagalleri/file/jesirosafivezebajigonedox.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/jhpr1kjqii34duiro258g2bio6/83883386257.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a3dc52629d9a97cb4f2b2bdf9d20abe9/67862091264.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160852cdfabf3e---1809269394.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ac04ef84e---jelodufukebeka.pdfIn PDF document text
- http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/kowunuluduwipelurunetabab.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609204de2f056---3400407859.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/75761400205.pdfIn PDF document text
- http://eldmsh1.ru/js/ckfinder/userfiles/files/9000113305.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c85ef210fb---92434242510.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/4p2a116nckmngh11ffjl0km85b/9932594742.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53097a83c8---vovijomonanuvajifajiwimef.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7657a27231---60576928393.pdfIn PDF document text
- http://www.brickchamber.com/ckfinder/userfiles/files/rofiwasipufidaj.pdfIn PDF document text
- https://www.naabelectric.com/userfiles/files/widazabutekul.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/0kd6vthvk84ar6q2fobp8abski/jifobokesamuwejo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=golfer+paige+spiranac+net+worthPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1E | 18108 bytes |
SHA-256: bc62513358ee301ed6882591fe7c294e74c1dec82fed28f6cebda9d3db3a31d9 |
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font_01_sfnt_off00012ead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000146c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146C4 | 10884 bytes |
SHA-256: 81084fbe07593a06e2a4d5edf06e7945a11b0217d5c6c90751782b5833901bfc |
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