MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting it functions as a link farm. The presence of external URIs and the nature of the links indicate an attempt to redirect users to potentially harmful content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=ancient+greek+colors+meaning
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d9f1ab4ca---jofuxokefatut.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608b37f232b45---84016472496.pdf
- http://conelser.hu/fck_uploads/file/damowiko.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/b3a71405b9bddd86959a3de9590b308d/mikebi.pdf
- http://ylgems.com/file_media/file_image/file/mutagorowakuvuwopoj.pdf
- https://bitree.ru/ckfinder/userfiles/files/73321319043.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a103007cc79---66435286028.pdf
- https://accuratesearch.com/userfiles/file/wufakajumegimoriduwivoni.pdf
- https://tenekedjieva.com/uploads/file/85537113007.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/5k7utkg0d5tgeqcr0vekjn61r3/dakefugeravojumakuz.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2b77ee54---52080056637.pdf
- https://atphp.ch/userfiles/file/21408576869.pdf
- https://aimhc.com/userfiles/file/9736609397.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/vdo04t7acq22t8ri12eov2kta2/38505221749.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7ed0d6b0c---mekumibovajosen.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/89tas1ftjam5e2kmduttpof7rp/12421053697.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f52fb33cc4---20123491772.pdf
- http://hoangle.vn/uploads/userfiles/file/26239283353.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b86985b5265---vanovikunax.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/88054320264.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ed418fa2d---lemewumo.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c301edef5---92615319370.pdf
- 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_off0000f1fe.binf964ad547a6caca94dc904830ef2e71647f97605d2f0a696bbc029b56c999ec5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FE | 10648 bytes |
font_01_sfnt_off00010a68.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A68 | 16792 bytes |
font_02_sfnt_off0001227a.bin6d8cc4896fd596899cfcf45595cb54f9f54a848e13d38b3da4d884bbbf184993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1227A | 17480 bytes |
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