MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The 'SE_CLICKFIX' heuristic indicates the document likely employs social engineering to trick the user into running a command, such as pressing Win+R or pasting into a terminal. While no scripts were explicitly extracted, the presence of numerous embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest a phishing or malicious redirection attempt, potentially leading to the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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 http://okna-kurska.ru/page_edit/_samples/userfiles/files/xakux.pdf In PDF document text
- http://apluskleaning.com/admin/images/file/xigomabesipitipalad.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/23705027379.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/68728699859.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/nitenupe.pdfIn PDF document text
- https://lecormier-menuiserie.com/www/upload/files/58770446002.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/71eor6i3gb8ckkr21511t98d2n/81185140343.pdfIn PDF document text
- http://rucodelniza.ru/userfiles/file/sekerulami.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/q6f3lhr72sls1cfg53cg5f89lg/15800575624.pdfIn PDF document text
- http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/bapin.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/42903979729.pdfIn PDF document text
- http://sten.kr/club/data/userfiles/file/20210904101126.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/38619351242.pdfIn PDF document text
- https://www.delaneyllc.com/ckfinder/userfiles/files/93994959561.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210915144529.pdfIn PDF document text
- http://grafiport.com/userfiles/file/nirafobinu.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109072038488520.pdfIn PDF document text
- http://traviet36.com/upload/files/pelojodutukadotexumozofer.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/30099373745.pdfIn PDF document text
- http://language-coach.pl/uploads/files/kemikelokobotaz.pdfIn PDF document text
- https://emtracing.net/userfiles/file/kagubabamodiro.pdfIn PDF document text
- https://htijsr.com/userfiles/file/betezixuje.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=outlook+for+android+problemsPDF link annotation
- 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_off0000daab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAB | 11016 bytes |
SHA-256: 67e764d7430a6ff6ba983e3d9fc4f5da77360dc2bbc2b9cebf472d8d597ba73b |
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font_01_sfnt_off0000f40d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF40D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1F | 19672 bytes |
SHA-256: 410fba405ef67cce0d88c17ede4d3a5041866559ffd68638cd196cb5a4cd3e98 |
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