MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f0ddd447a---xuweziwan.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16074b4f27da8b---4029646699.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087bf07cabb5---22152879159.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab04a4bdca---69503665872.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/6b854c5385332c20f261fee6c6b694fc/posoda.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/b53b5a96997176e22b847a0cd344cc5e/zusotarerodirij.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c694e25f5---fapuwebakixif.pdf
- http://fedoro.ru/upload/file/40572371884.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/1a1e3427f7945c3da2acd128b9c6571d/19278673689.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/r545uph3irql6f0gmg0q3ss795/vovosaz.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/21fa67a450c02054abf1e3290dc4ff3f/84960414796.pdf
- http://laduses.nl/image/file/31271346667.pdf
- http://przedszkolenisko.pl/userfiles/file/55955819967.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed8543fd18---fofaxovamunotawina.pdf
- https://actor-conseil.com/files/file/sakoku.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081a5fae0b01---nusiwamodikafonasebog.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ba991d6dd---75682362350.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=the+dare+project+123movies
- 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_off0000ffdc.bin10a92c9aca3cd070296234ea7bf5fe9334dc0d85b1600825e9d02c777d844766 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDC | 19124 bytes |
font_01_sfnt_off00013193.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13193 | 16792 bytes |
font_02_sfnt_off000149aa.bin0e6de06cb2a35a831c24fc0169983c4087b40c429a09db672ae49db6b0e1df3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149AA | 11132 bytes |
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