Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7ae200c4b09d264…

MALICIOUS

PDF

38.0 KB Authoring application: Soda PDF
MD5: 5d13dc818d18621fd0431e11dc4dc41e SHA-1: a0841de5b861e5a841da5560750d2f3846cf722f SHA-256: f7ae200c4b09d264436b022dfeff7bfd6678ad8a73bf1782efb92cf19d9440ce
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified as a "PDF_SEO_LINK_FARM" heuristic. The ClamAV detection "Pdf.Phishing.TtraffRobotInstall-7605656-0" further indicates malicious intent, likely related to phishing or traffic redirection. The document body contains garbled text but also references network topology diagrams, suggesting a lure to download or view further content. The primary attack pattern involves directing users to a multitude of external PDF files hosted across various 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 https://kolukobi.weebly.com/uploads/1/3/0/5/130546804/6956112.pdf
    • http://rivuroxama.severnypark.ru/uploads/2020/01/28/3732707.pdf
    • http://benjaminsmithmusic.net/uploads/1/3/0/7/130738719/wakuwabasanim.pdf
    • http://mpala.net/uploads/1/3/0/2/130291033/tedawisakutido.pdf
    • http://adamjarvisdesign.com/uploads/1/3/0/7/130740124/5755820.pdf
    • http://vigivalima.qazaqkuresi.com/uploads/2020/01/28/5564436.pdf
    • http://tum.tannothem.pro/uploads/2020/01/29/7162468.pdf
    • http://amd11z.com/uploads/1/3/0/5/130545421/naxalegopi_degezitada_zeraxawafaxo_vediwez.pdf
    • http://condosinmanila.com/uploads/1/3/0/2/130289778/gomozebuxalata-jubedugi-zodololi-woruwa.pdf
    • http://xaj.text-shift.ru/uploads/2020/01/28/kekelowapu_piretemupimo.pdf
    • http://campkennedy.com/uploads/1/3/0/7/130739006/3177570.pdf
    • http://beingself-centered.com/uploads/1/3/0/6/130621645/130621645.html#network+topology+diagram+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001284.bin
2d1ca7c2d2f58c24b453a9947b1e9af8076d5ab121f104acd875099ad8e62815		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1284 7120 bytes

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