Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3476cf69ac8cd3f…

MALICIOUS

PDF

75.1 KB Created: 2021-03-01 05:55:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a2a683bf318037bc2cbe950f169e176 SHA-1: 769858032112b220e5397d3fadd6b5f933f41dcf SHA-256: f3476cf69ac8cd3fc0efd8d402d4411120f4372aea4bb36abd68ca7257c0931c
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The embedded URL `https://soxebez.ru/wix?keyword=claudia+przystal+youtube` suggests a phishing or credential harvesting attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs are typical of phishing lures designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://soxebez.ru/wix?keyword=claudia+przystal+youtube
    • http://lamaded.mywebcommunity.org/book_of_jasher_in_tamil.pdf
    • https://bumobuzeki.weebly.com/uploads/1/3/4/4/134477779/zepomorubufeze_fenajinun_xizaxosexabuf_wefas.pdf
    • http://cherrypimp.online/60679974643t9qwq.pdf
    • https://mujolimu.weebly.com/uploads/1/3/4/8/134868529/fobufetanawa.pdf
    • http://pazujiz.mygamesonline.org/82154803242.pdf
    • http://vurujupafowutox.mypressonline.com/zezukare.pdf
    • https://cdn.sqhk.co/xefilelo/hgbcGgd/16991435333.pdf
    • https://cdn.sqhk.co/tubafejog/jhiefNb/53680070537.pdf
    • http://pubggaming.online/92799930627ayk20.pdf
    • https://namoxatiki.weebly.com/uploads/1/3/4/4/134477177/malexilaza-rejugusukuse.pdf
    • https://vepenisa.weebly.com/uploads/1/3/4/3/134339982/libaruwekawawosagiru.pdf
    • http://posiximuteg.sportsontheweb.net/29216966174.pdf
    • http://wivaserana.mywebcommunity.org/22559461919.pdf
    • http://shopmzm.site/82821059002uckqy.pdf
    • http://jilavixit.medianewsonline.com/bozedamag.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dcdd.bin
4a0dd5f3c26dd3058f2e362f98e6dcc12dd8f5649990be8ddfb1c0c4a1306bdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDCDD 5152 bytes
font_01_sfnt_off0000ee6b.bin
11a221cf9c179eb5b76f010e0e762ec58cf69c8fc22b9cb1b6ce4bdd731aa13e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE6B 3168 bytes
font_02_sfnt_off0000fb62.bin
3200a486c2c9289a231093ca2390704ebe646145a9b42ea32bf3248979bedc2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB62 10308 bytes

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