MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised websites, many of which host other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/99ca91d5459e90b5091f388243399c63/nugorug.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaab055da8---23056472802.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/9rdt3tmhue4c3eog2kd995s9s7/83600751484.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/4cdc642e29918d3bb647a9823e220b1b/25712757473.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16070116c29400---vutogiwofurafizonavofali.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/37821021294.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/8f48b3191c218df017fbb80b938d3a5e/dixusarelogusivatidamo.pdf
- http://dzbnf.com/upload/file///47680453192.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074fe134e01d---jewazakanejevazemaxifo.pdf
- http://status-go.net/gfx/userfiles/files/lavilipepararuzaruroje.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/801cbbd10bcb1094b7c8c02a014808b3/kuvekukosoxesekutatuburud.pdf
- http://turnyras.lt/Files/file/53524195276.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607996e879203---nitomavukifapojeloluso.pdf
- https://mecaniquekd.ca/upload/file/busikelof.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/4fb532452088aa8b7d1d0a98d23495a3/dukavowadurupifabop.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/af70c217142d7691b6ef462f9d46dd76/sutizojetepukejineba.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607980d898084---345117538.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160837a1895ae4---zuxowulunuzibifa.pdf
- https://drvishweshwari.in/userfiles/file/70582287755.pdf
- http://verypool.cn/images/upload/File/31300624214.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a38a3d453f---68205100179.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751463d419d---xekidatimadibejemer.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90ed39379c---63537831385.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc3c5ae367---xedujodotijutarimaf.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=double+entry+bookkeeping+class+11+pdf+2020
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e475.binf4bd46fe3c7ddaca68dc3bf22dd306a46c9ef9979980f03229234021a25e553d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE475 | 17628 bytes |
font_01_sfnt_off00011218.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11218 | 16792 bytes |
font_02_sfnt_off00012a2f.bin53e9993768ed59153f167c645806f59d03a5a7895b8b4adc533d19b53645753a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2F | 11536 bytes |
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