Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ba4afe02b9a7e30…

MALICIOUS

PDF

34.0 KB Authoring application: ImageMagick
MD5: 84b0a75d8e213ebbb23fab79f014e92e SHA-1: bb20db6d91a6844965a343ce95c9bb9e9141745a SHA-256: 7ba4afe02b9a7e30adb14221d8154b68376ae99013b7e536e4b54fad49d22c65
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious sites. ClamAV and ML classifiers also flagged this file as malicious, specifically identifying it as phishing-related. The embedded URLs are the primary indicators of compromise, suggesting a redirection or download attempt.

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://www.rohacks3716.com/uploads/1/3/0/7/130776037/gezavamoxarat.pdf
    • http://joiasands.com/uploads/1/3/0/3/130379078/bosukelovememozov.pdf
    • http://madeiradaarca.com/uploads/1/3/0/2/130272898/7f71c903.pdf
    • http://tried-by-fire.com/uploads/1/3/0/4/130488362/savemufof.pdf
    • http://www.dottis.ch/uploads/1/3/0/2/130287279/patamefafaku.pdf
    • http://experiencekailua.com/uploads/1/3/0/7/130739937/8890422.pdf
    • http://montalvinmanor.org/uploads/1/3/0/3/130323290/mutaxopibiw_werobutatid_rolaneku.pdf
    • http://wingsofhealing.global/uploads/1/3/0/7/130776233/dilifutaxegebod.pdf
    • http://inspiredconferences.org/uploads/1/3/0/5/130588394/fazalabagasoremotuko.pdf
    • http://anthropolygon.com/uploads/1/3/0/6/130621859/12df43b.pdf
    • http://simplesalesapp.com/uploads/1/3/0/5/130552106/1c7792971d8ef8.pdf
    • http://update8020.com/uploads/1/3/0/7/130776571/130776571.html#esl+agreeing+and+disagreeing+games

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ebb.bin
b14aaf63b84e0276c228cfb2649578c9c029f3b0effcc4772784273fa6ec012a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EBB 7752 bytes

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