Malicious PDF — malware analysis report

Static analysis result for SHA-256 7784324f9393dc1e…

MALICIOUS

PDF

45.4 KB Authoring application: Soda PDF
MD5: 94a987790b9f5956c33e3ca7b0208a26 SHA-1: 8252c54adba53568bde79567ac0f2776424c3d19 SHA-256: 7784324f9393dc1e1355974cc1a12148fa4af4ccd238e1d9593d20db634b78cf
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO spam or to distribute further malware. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, indicating a phishing or malicious redirection intent. No scripts were extracted, but the heuristic firings strongly suggest a malicious redirection or content distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://almahruqicars.com/uploads/1/3/0/6/130605229/jetisop_pemigurunebines_nutelunafemoj_genido.pdf
    • http://mikelscottart.com/uploads/1/3/0/2/130287521/5700c2a12cc321.pdf
    • http://ntagent.com/uploads/1/3/0/3/130323110/saxolujabitukukugi.pdf
    • http://drberrycoaching.com/uploads/1/3/0/4/130483632/wurobupavulu_woxopuvujuwogo.pdf
    • http://vollair.com/uploads/1/3/0/5/130550834/b0eca1b3f7.pdf
    • http://namuru.leta.ai/uploads/2020/01/28/dcbf97e994.pdf
    • http://nemuwalax.agicole-acces.com/uploads/2020/01/28/cbddbf.pdf
    • http://wallawallatreecare.com/uploads/1/3/0/6/130620455/mifirifunewofab.pdf
    • http://lax.safeautokzn.ru/uploads/2020/01/28/61c7fcfc17f43.pdf
    • http://beeswim.com/uploads/1/3/0/6/130604366/kadadu.pdf
    • http://montezgame.com/uploads/1/3/0/4/130476395/zerimono-jumemanixi-pidimozivo.pdf
    • http://proskuryakova.com/uploads/2020/01/28/6c5b4634da459.pdf
    • http://myfloridaec.org/uploads/1/3/0/4/130489423/130489423.html#livro+de+ginecologia+de+schwartz+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001469.bin
0ac9d734deae028e698efe38d9f134197dd35695a6273b700dd646b2fa095580		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1469 13140 bytes

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