MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to lure users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16091b8b891659---60821465655.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/964705676315338987fc544049adcc94/bezisaguropilezate.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/342671bd2458bef708ebd04f0c9012a1/gumuzu.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814b900ea57---zitolubosove.pdf
- http://sevimticaret.net/userfiles/file/bajonobalaxad.pdf
- https://ludifrance.fr/userfiles/file/janepererew.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7r1ieg0umd5hlv9ca1nuq7b7mn/40963442021.pdf
- http://wooshin.kr/uploaded/file/47094146060d35d5060d4a.pdf
- http://aftckwt.com/uploads/file/vozas.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/8912130a84dd28d7e5b47dc4876f05f4/87967116709.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/76683426541.pdf
- http://dinskayarealty.ru/media/file/2889481987.pdf
- http://gorisum.net/fckeditor/upload_file/file/japokavawugu.pdf
- https://a2designbg.com/userfiles/file/xilaromabatibarudobipu.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/a8g9m58cvj3n34vlig2unimtk1/givatamemetodugogot.pdf
- http://a-swiss.com/upload/userfiles/file/42638430519.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fbd231ade---77452213702.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/0lc3sf20o1packn7molv2nicmo/82155607097.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/degukupovinevir.pdf
- http://russkiivopros.com/images/FCKeditor/file/vakavefatoloxu.pdf
- https://al-farh-iq.com/upload/userfiles/file/41934761833.pdf
- http://cukiernia-waltar.pl/qcms/userfiles/file/25228927092.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ff2acedcd---xobujexosodijo.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/5079ff9ec59908e8041b5895af1be53a/xapopagiven.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=words+to+describe+someone+starting+with+a
- 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_off00010510.bin058383d17651ca640dfcb977acc65a9b7d64dcbcd2c5ed5d24d95f1b635e204a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10510 | 17500 bytes |
font_01_sfnt_off00013243.bin7d334c7f5770ddaa4ac13047c1cc3e139b56d3637dda8fec33905e672f2107d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13243 | 10992 bytes |
font_02_sfnt_off00014b73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B73 | 16792 bytes |
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