Malicious PDF — malware analysis report

Static analysis result for SHA-256 febf8173b371a166…

MALICIOUS

PDF

34.4 KB Authoring application: Adobe PDF Library 9.0
MD5: 4456aab4a7b5311e3179a63cdcc06dbe SHA-1: b8b8d9a65fb5450eff2d65074b512e36ff7a117b SHA-256: febf8173b371a166e805347f95774377169fc75078ba4e0239886a9230eef10a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This technique, identified as PDF_SEO_LINK_FARM, is commonly used to distribute malicious content or redirect users to phishing sites. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of this file. No scripts were extracted from this sample.

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://belleaircommunityfoundation.com/uploads/1/3/0/4/130488311/374e8.pdf
    • http://heeratees.com/uploads/1/3/0/7/130776279/niwaf.pdf
    • http://ideasn2content.com/uploads/1/3/0/5/130539913/girowetamurukatoka.pdf
    • http://securitycitizen.com/uploads/1/3/0/3/130312971/2137717.pdf
    • http://brothersnblue.com/uploads/1/3/0/3/130379894/99b763fbb61c8bd.pdf
    • http://drinking-frisky.com/uploads/1/3/0/5/130551335/5357408.pdf
    • http://650mondial.com/uploads/1/3/0/2/130272648/fofopa-didakomeseja-pepazefowapip.pdf
    • http://dlhhousingservices.com/uploads/1/3/0/5/130539249/sosawodilubapadaxis.pdf
    • http://www.buymyoldvehicle.co.uk/uploads/1/3/0/7/130738578/penejuneb.pdf
    • http://northcoastfoodtours.com/uploads/1/3/0/2/130272266/929572.pdf
    • http://fitzgerald.rominastiebenphotography.com/uploads/1/3/0/5/130543598/130543598.html#verbal+reasoning+questions+and+answers+for+infosys

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003141.bin
2823e7bbfa3b10dfea71fefb4a0c939b78d36172438465361087bd67b9d9ea28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3141 7596 bytes

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