MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or are used in a link farm pattern, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely leveraging embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://cructi.ru/uplcv?utm_term=android+sdk+linux+64+bit
- http://wamer.org/userfiles/file/vonuxixane.pdf
- http://sun-tes.ru/files/file/68752169649.pdf
- https://fullhousetourism.com/UploadFiles/file/20210922150151114.pdf
- http://mutitar.com/user_img/files/66558708269.pdf
- https://eastmanllc.com/ckfinder/userfiles/files/tusomizumobikajenabijo.pdf
- http://ylphs.com/ckfinder/userfiles/files/3398596537.pdf
- https://rux-thai.com/ckfinder/userfiles/files/92493987096.pdf
- http://faceconnects.com/ci/userfiles/files/10288968699.pdf
- http://www.heksan.com.pl/file/76739626931.pdf
- http://tootingtaxi.com/survey/userfiles/files/38807795790.pdf
- http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7713732575.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16135ae96be677---jawelibamid.pdf
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/81249413305.pdf
- https://fiberglasssupplydepot.com/userfiles/file/10809536719.pdf
- http://tochalco.com/uploads/files/pubibizuzepebunasimired.pdf
- http://franceplus.fr/userfiles/file/83936748597.pdf
- http://sreema.org/FCKeditor/file/ruxigexutafi.pdf
- http://hoanhaochemical.com/uploads/files/movixiv.pdf
- http://ominocoibaffi.it/userfiles/files/femovevomovofufuzezoto.pdf
- https://weboonline.com/ckfinder/userfiles/files/87633364546.pdf
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/14664604619.pdf
- http://www.moyekolodin.com/files/12687660393.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139b248d89b6---91795309723.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_off0000b2ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2CE | 16792 bytes |
font_01_sfnt_off0000cae0.bin8eee9021e317c2317a1ccefdf8906cb35b5bd3512926af86f5df0bd09e217975 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE0 | 17288 bytes |
font_02_sfnt_off0000f7e4.binfce5f43f488683857dcaad574014c133faf17f6d383d8476c008aec424ef278c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E4 | 10608 bytes |
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