MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification strongly indicates malicious intent, likely to lure users to phishing sites or download further malware. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point to a malicious distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://queure.ru/uplcv?utm_term=bnhs+field+guide+butterflies+of+india+pdf PDF link annotation
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/e5884f6f267da8e5a93b838a6ebda831/97515220850.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3cf2ccdf6---99955171863.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/f3e4644d02757ed131323febb99679b7/3589399317.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9155a482b---31286266918.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d5e4bc1aa---juwapiwitowuwepa.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/sijoburusorej.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/62412150169.pdfIn PDF document text
- http://africareview.in/userfiles/file/67080302155.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b8161ccc0---xetukuw.pdfIn PDF document text
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/luwurirekakulud.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608de07d8ca68---41341344299.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/4e87a52dc550e7dbdf59eab2db74fedb/22210327461.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/96300166e39a25b7274beac3b97532ac/romixajudepamisuturok.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f519e26c1---nuxukijodimakitax.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160879e9b5123b---givinireto.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160982e244042f---61268889495.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/a032d35275345b259c4dfbb271637cd4/goluxezovodojumitanul.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/d5608072926bd25c8d1a6512da6e0e51/basuzogukitigogawope.pdfIn PDF document text
- http://mesamiesdallas.org/clients/e/ee/ee8f1390623de39be1ac2b47a321719d/File/83104392135.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fd6d913b9---bufuveta.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/bbvidnk9i7k25ktk827hp7o7ga/34520663461.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/5030045235.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160907386656d0---guxusulop.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9147571861---malufidudovokuk.pdfIn PDF document text
- http://alliusie.com/userfiles/file/pupobelibetevupenuraweki.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E2 | 17988 bytes |
SHA-256: f51b6b0425c0bc647a6656c5e20f136bd6a83d1bc2fd22f2805177ccd4b31ce9 |
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font_01_sfnt_off00012208.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12208 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A1F | 11068 bytes |
SHA-256: cb1a0fa279c2895ac1c31b8e30c8ab7bbbf16a8551170a8c1bc20f00ef1db5b2 |
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