MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a link farm with numerous URLs, many hosted on compromised CMS upload directories or disposable domains, suggesting an attempt to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using such documents for link farming.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://eegbiofeedback-leszno.pl/userfiles/file/fedotekojilusup.pdf In PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132d0cc8e572---69990880440.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/34cc7f9fab5eeac5e87c57655cff019e/28242610295.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/vimuvidapasop.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/67dqoc69bircua8ns4cnpe8cda/fofon.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/30186633068.pdfIn PDF document text
- https://pasifikendustriyel.com/userfiles/file/wovonok.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133ce967e9eb---64738355984.pdfIn PDF document text
- http://vo23.ru/upload/file/41981290281.pdfIn PDF document text
- https://homecareangels.ca/files/files/files/34970035778.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613e49418d565---dusitatorifove.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/fedunovegopapofaz.pdfIn PDF document text
- http://industrialdevices.in/uploads/motaferika.pdfIn PDF document text
- http://massageindex.nl/images/uploads/lowoxowo.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/86865261690.pdfIn PDF document text
- http://oldmotorsclub.com/files/file/boxojopojeg.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/felijipo.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/11443961999.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/fgl88q7r254a6j56tmpvpser7q/solupipot.pdfIn PDF document text
- http://fgosvo.ru/files/files/gavib.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/12659059052.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/40733165204.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=21+jump+street+online+hdPDF 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_off0000bf72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d789.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD789 | 10800 bytes |
SHA-256: 5d8cfc1ba813141ab6115db6171629772a65e22ac4d3875a3acd6c09cec7a910 |
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font_02_sfnt_off0000f032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF032 | 17460 bytes |
SHA-256: 6ec5c7881655165635121171da732db57d07ad69c587f9c4ae8eb3c9a44a5b2c |
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