MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML models and ClamAV, indicating a phishing attempt. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it's part of a link farm designed to redirect users to malicious content. The document body, though partially garbled, mentions 'Windows xp upgrade to windows 10 free download', reinforcing the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://wastran.ru/uplcv?utm_term=windows+xp+upgrade+to+windows+10+free+download PDF link annotation
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d8e4c67c6---kojojusonutedurovamugili.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8556e91c051132a8f3f6791defa0930a/74671756495.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/30f85b80414661c74cc8d32ad023a0ed/zamitu.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/9528881161446b882684278b54d6edcd/dudibedokaxago.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f0b4c093f438b89dfc8bc4cffcffefd2/fozafivovi.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/pg7fvqhd3qs37eejqc8gnsomt7/garexeduroritojojor.pdfIn PDF document text
- https://kham.vn/userfiles/file/37675857855.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b27a08f0a05---kitusewunokarurajap.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/2dcrmj7sirjo9c1nervq9jhn0m/rojagupebikabopofimivusep.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/a154ksq4numkgddf33olvaujgu/mivamutanafileb.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077741dbaa5e---pitilipumifumukelavidem.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b0817727d342f5dfb97551019d717a86/nurisat.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/232063c19555b41711fe1f89ba063f29/79662987296.pdfIn PDF document text
- http://septumdent.com/img/userfiles/files/26717221367.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609436196f8f4---12070095474.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/senaz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fdf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF4 | 5576 bytes |
SHA-256: 41f7a8ce5b19d3aadccd966c7880bd4ac4142b95305a3e63e4c8b818e398fd7f |
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font_01_sfnt_off00011124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11124 | 11080 bytes |
SHA-256: 5ea80829b50a532b2c0f739f26935c51bf172e8fed2c023bb51df017d8a53ea6 |
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