MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 external URLs, some hosted on compromised CMS uploads. The document body is unreadable, but the presence of numerous links and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest a tactic to drive traffic or distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://dorfadvertising.com/ckfinder/userfiles/files/nidowibar.pdf In PDF document text
- https://plasy.com/uploads/file/66824444116.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/816d0daf9b789e3a50898d09f664d9ff/konaviwogutujewopofilese.pdfIn PDF document text
- http://pnc21.com/files/fckeditor/file/1379644041614256388a487.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/lumewepuvite.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613606e90db83---82320842426.pdfIn PDF document text
- http://irollee.com/userfiles/file/44366777938.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/tufalavewerudadepage.pdfIn PDF document text
- https://petandpuppies.com/userfiles/file/70505657709.pdfIn PDF document text
- http://thepnguyentran.vn/media/ftp/file/64682096307.pdfIn PDF document text
- https://inprovitargentina.com/ckfinder/userfiles/files/mawixazusazijuxafekagade.pdfIn PDF document text
- http://tartak-monis.pl/tartak/images/file/96082390027.pdfIn PDF document text
- https://grnca.org/img/files/files/76132226287.pdfIn PDF document text
- http://tottazo.com/userfiles/file/99493833067.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/33928650519.pdfIn PDF document text
- https://tylbm.com/Upload/ckeditor/files/lejawelejuw.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/dujodamokovelanegegikino.pdfIn PDF document text
- http://seed-hongkong.com/uploads/file/digelanitofidut.pdfIn PDF document text
- http://vhshf.de/File/tivawas.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f59eda3c5b---17208124565.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/10657932691.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=best+level+apps+for+androidPDF 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_off0000e9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9EA | 10612 bytes |
SHA-256: e9950771b080ca6fc363de8f7b8ea51fb5b6b0d77f0d32ec31714a3184f22c4d |
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font_01_sfnt_off00010255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10255 | 17180 bytes |
SHA-256: 55a43ac25d0e52f5a6eedf859d4740e31e1542b4f064027913da3c61e16f7b38 |
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font_02_sfnt_off00012eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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