MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous embedded links pointing to compromised CMS upload storage and disposable hosting, combined with a visual download button lure, strongly suggests a phishing or malware distribution attempt. The ML classifier also indicated a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crewmak.ru/uplcv?utm_term=electronic+configuration+for+30+elements
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/79aea2c365b83d805e6fbcc87671afe3/93334208807.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23e62c58ff---sesotem.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/i7ip765mu4131ten9ju7gp0l96/6782876475.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3982ed18f---2212898717.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/45ed2fcbccba3591302766e2ee5f920e/59076987809.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/06eca243a25745a155552fff5a83437b/45918098926.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a075edeedf9---72036349342.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607555bca6942---78415417173.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/cb0a6b88e678abcb466538a823a47782/xugenusujidigidexese.pdf
- http://kinel-hunter.ru/upfiles/file/jedet.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/8a534576fdd8d78b4873a4966ac1add0/felozanilafoviriruk.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a46ced401---3326944945.pdf
- http://dobrasekacka.cz/userfiles/file/zatidumuvogirakade.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082aadc39545---54487881874.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef01.bin82fb0cba287b00a6ca684ffa4549b54bfd962645a11900418489867ca977e24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF01 | 5464 bytes |
font_01_sfnt_off00010187.bin614ba8539bae15e374b89677d6d7981a7388eee5997a1df0cc8ac35cac29c6e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10187 | 11064 bytes |
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