MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The document body is unreadable, but the presence of numerous external links, many on suspicious domains, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://trubaopt.ru/content/file/maletalavugofenefa.pdf In PDF document text
- https://ntiverification.com/userfiles/file/bijililumurisupigojevewir.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/sutivepadepojixujavem.pdfIn PDF document text
- http://greenbelt.abwingsmd.com/uploads/files/24371998485.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/73914082350.pdfIn PDF document text
- http://devison-matras.ru/upload/file/57829360903.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143ff6080fd9---86783920487.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/zuwafolerekomi.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/1bd044a7e7633ec6594995581a6eec5c/wasexa.pdfIn PDF document text
- http://mirai-kankyo.com/userfiles/files/65972638665.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/92850949706.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/47971908001.pdfIn PDF document text
- https://valkexclusief.reviewz.eu/app/webroot/files/userfiles/files/20096897775.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/mojodofojapolejetu.pdfIn PDF document text
- https://s-h.cc/uploads/files/202109191056241495.pdfIn PDF document text
- http://zensushialiso.com/uploads/files/bunuxelamenal.pdfIn PDF document text
- https://kentacademymiango.com/userfiles/file/92857512412.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/kudufume.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/2655532709.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/70262404433.pdfIn PDF document text
- http://tdvvietnam.vn/webroot/img/files/79870698780.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/4o0ckj2rt1vmdhtbmj968qbjv7/32981625544.pdfIn PDF document text
- https://makenie.com/upload/files/77135089470.pdfIn PDF document text
- https://10s317.com/uploads/files/202109151144466761.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/65585450281.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/4979444156.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=convert+each+measure+to+radiansPDF 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_off0000cfef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFEF | 17580 bytes |
SHA-256: 622c88dd5c656aaa8865f9f643725ed971ed4a963e87b5e57ad05a43edfea4f2 |
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font_01_sfnt_off0000fe0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0D | 10784 bytes |
SHA-256: 7ef3799b28861ead94fb654c38f26306c2e4c2f4b84f75814a5598dcd332a8af |
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font_02_sfnt_off000116c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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