Malicious PDF — malware analysis report

Static analysis result for SHA-256 94a8c7366b6be666…

MALICIOUS

PDF

39.3 KB Authoring application: Scribus
MD5: 8213b57be15c6c03157d3494f1141200 SHA-1: d65218c1ff831e87406bfaf8faa374466b6c8bd9 SHA-256: 94a8c7366b6be666768e547f2f6b43cedb4adf33469d02c421b72e7dd83b1548
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 by the PDF_SEO_LINK_FARM heuristic. This indicates a likely phishing or SEO poisoning attack, aiming to direct users to malicious websites. The ClamAV detection further supports its malicious nature. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

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://imaginaryrats.com/uploads/1/3/0/2/130289259/vekigimu_nakazugosutu.pdf
    • http://dangerouslycollaborative.com/uploads/1/3/0/4/130483136/9bc7dd0ab91472f.pdf
    • http://meridian-dcg.com/uploads/1/3/0/5/130588295/dbb61d9.pdf
    • http://phantomofthepasta.com/uploads/1/3/0/7/130776307/taxer.pdf
    • http://krtucker.com/uploads/1/3/0/5/130590244/3212707.pdf
    • http://millark.net/uploads/1/3/0/5/130541765/4711809.pdf
    • http://bcattic.com/uploads/1/3/0/6/130620921/sogimelirev.pdf
    • http://neicinkullanilir.net/uploads/1/3/0/6/130604090/wolofetaluborin.pdf
    • http://beehiveconsulting.net/uploads/1/3/0/7/130775593/1074342.pdf
    • http://soapytoad.com/uploads/1/3/0/2/130291803/85e0bf2604f.pdf
    • http://stand2serve.org/uploads/1/3/0/7/130739141/saravusajoridekasisu.pdf
    • http://miradio809.com/uploads/1/3/0/4/130436108/lezakuninu.pdf
    • http://organeering.com/uploads/1/3/0/5/130551417/buwulop.pdf
    • http://counselinginlafayette.com/uploads/1/3/0/5/130542865/sabupijamute.pdf
    • http://elispinheirobellydance.com/uploads/1/3/0/6/130621212/78739e711d.pdf
    • http://archie-rodriguez.pleasingfood.com/uploads/1/3/0/5/130541837/130541837.html#afasia+semantica+ejemplos
    • http://dangerouslycollaborative.com/uploads/1/3/0/4/130483136/9bc7dd0ab

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e47.bin
fe32ce189548cd99148c41e77163c9f35cca2c4351df1e7506dff53866accff8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E47 8672 bytes

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