Malicious PDF — malware analysis report

Static analysis result for SHA-256 0579c4e90324a10e…

MALICIOUS

PDF

40.3 KB Authoring application: pstoedit
MD5: e2c9688a94ebaa127270cbcac4c4ca86 SHA-1: 4646d42634e203f63e32aa8b58a88f3a39d66934 SHA-256: 0579c4e90324a10e6ce3d4620cbdc97cabe832caa99f3da3bd7ce1a271221106
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly indicate maliciousness, with the file being classified as Pdf.Phishing.TtraffRobotInstall-7605656-0. The embedded URLs likely lead to further malicious content or phishing pages, and the document body's content is heavily obfuscated and unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://claygatlin.com/uploads/1/3/0/5/130545185/jeriwugedanaku.pdf
    • http://newvisionservice.it/uploads/1/3/0/5/130551127/7799517.pdf
    • http://behaviourvet.co.nz/uploads/1/3/0/2/130270971/5441400.pdf
    • http://beaconbeerco.com/uploads/1/3/0/2/130271073/menazodikojepes.pdf
    • http://www.vitalshealthsoftware.com/uploads/1/3/0/3/130313307/dopuwifujopodiw-zutabobarujemu-wezebotas.pdf
    • http://mibisho.net/uploads/1/3/0/6/130604715/zuniketigizerop.pdf
    • http://sanddollarsurfcompany.com/uploads/1/3/0/7/130738716/ea528.pdf
    • http://www.sensationalandstunningweddings.com/uploads/1/3/0/6/130620878/gemufen_jedikizexekinib_sakogenidilaki.pdf
    • http://inthewayministries.com/uploads/1/3/0/5/130539048/xadetu.pdf
    • http://divinelove.ca/uploads/1/3/0/7/130740044/sasofudazotetez-lujotanivodemo-xukavimowopin-xavuwepokisok.pdf
    • http://mail.chizelfitnessstudio.com/uploads/1/3/0/5/130589158/6441304.pdf
    • http://overlandremovalsairliebeach.com/uploads/1/3/0/7/130775563/zuvugigemejitul.pdf
    • http://myrole.finance/uploads/1/3/0/6/130639138/c48e0280de9.pdf
    • http://horn-comb.com/uploads/1/3/0/6/130621505/falakunirazer.pdf
    • http://rkdrafting.com/uploads/1/3/0/6/130620519/xezezaf.pdf
    • http://zenithhse.com/uploads/1/3/0/4/130475883/8715592.pdf
    • http://nancyfleuridor.com/uploads/1/3/0/6/130639124/japoxa_pazorekazab.pdf
    • http://acceleratecleaning.com/uploads/1/3/0/8/130813518/5988bd75fc602.pdf
    • http://longbeachwellness.net/uploads/1/3/0/9/130969993/15ef31a160f964.pdf
    • http://lithoniaamphitheater.com/uploads/1/3/0/9/130969066/texufuge.pdf
    • http://mytarwebsites.com/uploads/1/3/0/6/130621425/buvameminubebob.pdf
    • http://livelongitude.voyagerwebsites.com/uploads/1/3/0/2/130272892/130272892.html#socialism+in+europe+and+russian+revolution+class+9+ppt

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003d1a.bin
01d305515dd0c93525c2b07819bdcb69a9a4ba2015340cc7d2a818e6d1030ac0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3D1A 7908 bytes

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