Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa9f6997045825b7…

MALICIOUS

PDF

33.4 KB Authoring application: Serif PagePlus
MD5: 4f57381dfba2e9b4eaf9daeb0f26596b SHA-1: aa2823bc3f1a7710546768b3e39cedb4e5977610 SHA-256: aa9f6997045825b7f8e5ab743cd10fd620211d3e3f28379bdcfed9b6cae5a6e2
140 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a lure instructing the user to enable macros or editing, a common technique for malware droppers. It also functions as a link farm, directing users to multiple external PDF files hosted on various domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature, indicating it's designed for phishing and traffic redirection.

Heuristics 4

  • 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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://korumall.com/uploads/1/3/0/6/130604336/0b6acbe.pdf
    • http://michelemoddesign.com/uploads/1/3/0/7/130740077/3683389.pdf
    • http://natethehitmaker.com/uploads/1/3/0/2/130270967/vijuvugogeveled-robir.pdf
    • http://wamukob.kcegamma.ru/uploads/2020/01/28/xatuwinof.pdf
    • http://deitzlandsurveying.com/uploads/1/3/0/4/130489771/1916753.pdf
    • http://thepaleocaveman.com/uploads/1/3/0/8/130813314/8916948.pdf
    • http://josienotjose.com/uploads/1/3/0/3/130324278/bidugosel.pdf
    • http://constructoraliverpool.com/uploads/1/3/0/3/130379485/wokofowodajovaf.pdf
    • http://4gkingdomliving.com/uploads/1/3/0/4/130479570/fewoz.pdf
    • http://kylaconner.com/uploads/1/3/0/7/130739202/130739202.html#convert+adobe+document+to+word+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000136d.bin
c9a3016edd5ff46dcce33c2784519bf95c48eb1a9dd8d91b759908ab309d4dde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x136D 7768 bytes

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