Malicious PDF — malware analysis report

Static analysis result for SHA-256 96ec7f4525afe816…

MALICIOUS

PDF

38.4 KB Authoring application: SWFTools
MD5: 51164f86bc722b0840dcc81ae9a04068 SHA-1: ac9afa20ef195ec059cda8b86b446d89f7448601 SHA-256: 96ec7f4525afe816db432d26b8e708c832f06cdc5196751d55b30ee1d151ff62
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, characteristic of a link farm designed to direct users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further indicates a phishing or traffic redirection intent. The document body, though heavily obfuscated, mentions converting JPG to PDF, suggesting a lure to disguise the malicious activity. The primary attack pattern involves redirecting users to potentially harmful content hosted on numerous domains.

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://mrsmeltabargersclass.com/uploads/1/3/0/5/130588297/derures-zumetufeb-wojoborerutada.pdf
    • http://spayedkoolie.com/uploads/1/3/0/2/130272575/f9e983fd5.pdf
    • http://naturebringsmepancackes.com/uploads/1/3/0/3/130313144/sovalew-zajov-givatipiwama.pdf
    • http://witheringintheheat.com/uploads/1/3/0/8/130814411/kamixo_luzajakuw_dezev_dafodus.pdf
    • http://casualshifts.com/uploads/1/3/0/6/130621310/5ed7615.pdf
    • http://nutrimoda.com/uploads/1/3/0/3/130379172/xofufezexem_nudoxumoku_zigofemurad.pdf
    • http://morrowworldpost.com/uploads/1/3/0/4/130478203/fuwuxutipiwevizis.pdf
    • http://zerojb.com/uploads/1/3/0/7/130775635/dezibe.pdf
    • http://www.myrocknbeads.com/uploads/1/3/0/7/130739415/245570.pdf
    • http://furnaceroomproductions.com/uploads/1/3/0/2/130291596/9688146.pdf
    • http://shangrila.com/uploads/1/3/0/4/130435570/kolemupewamipomu.pdf
    • http://appea.com/uploads/1/3/0/6/130621525/kowevobopo.pdf
    • http://readwritebake.com/uploads/1/3/0/5/130590257/pagonenirebokatawu.pdf
    • http://pameladirnberger.com/uploads/1/3/0/8/130814976/130814976.html#aplikasi+menggabungkan+file+jpg+ke+pdf
    • http://morrowworldpos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e00.bin
31848698046e48b3b7234669d9a23a78cfa20f954ffb91bf46e0f1ef863ef3dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E00 7652 bytes

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