Malicious PDF — malware analysis report

Static analysis result for SHA-256 2369ab20732db699…

MALICIOUS

PDF

93.5 KB Authoring application: pdf-parser
MD5: 3342c71dd2464ada37d7cc41d3460823 SHA-1: a67abe765fe84fbf4f522f292cacf21ec78fb33e SHA-256: 2369ab20732db6998d93c2d7b99ddd6c5930b250f2d24cab0bb8a042a8121a46
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The SE_LOLBIN_RUN_COMMAND heuristic indicates that the document contains instructions for executing Windows scripting tools. ClamAV detection confirms this is a phishing-related PDF. The primary attack pattern involves directing users to a network of linked PDFs, likely for SEO manipulation or to serve further malicious content.

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
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://equitytradinglabs.org/uploads/1/3/0/6/130620963/2890959.pdf
    • http://coacharielle.com/uploads/1/3/0/2/130288307/8311812.pdf
    • http://mrfixitenterprises.com/uploads/1/3/0/7/130740368/7682713.pdf
    • http://north-georgia-mountain-cabin.com/uploads/1/3/0/8/130814209/61956c59d.pdf
    • http://rifugiovallegrande.shop/uploads/1/3/0/6/130639751/3676529.pdf
    • http://ryan-foster.com/uploads/1/3/0/4/130476145/kotedujeveweli.pdf
    • http://beverlybike.org/uploads/1/3/0/2/130291676/3366942.pdf
    • http://institutoinec.net/uploads/1/3/0/7/130776601/mazusafogiwunotezi.pdf
    • http://ohiocomfortandcraft.com/uploads/1/3/0/6/130620936/noverodupo-lurisuvodezerad-zajej-newepamupa.pdf
    • http://toominty.com/uploads/1/3/0/3/130313671/vipuk-jemarubawujekis-puleketobugaf.pdf
    • http://micasitarentals.com/uploads/1/3/0/6/130604016/dumapopililugapu.pdf
    • http://miss-stevens.com/uploads/1/3/0/4/130483682/sogivire.pdf
    • http://protechion.us/uploads/1/3/0/7/130738712/5731786.pdf
    • http://aselcevremetal.com/uploads/1/3/0/6/130621220/3f73786.pdf
    • http://bigbluecostadelsol.com/uploads/1/3/0/3/130323411/gubatubag.pdf
    • http://minimebodysculpting.com/uploads/1/3/0/4/130483616/4394504.pdf
    • http://nadlan-haarris.com/uploads/1/3/0/7/130740368/wipubefizebomu-webelub.pdf
    • http://2xch.com/uploads/1/3/0/5/130543488/4436494.pdf
    • http://flexfoundationframework.com/uploads/1/3/0/8/130873732/d50d97ed14965b.pdf
    • http://basauribai.com/uploads/1/3/0/2/130288533/4414785.pdf
    • http://michaelkitzes.com/uploads/1/3/0/7/130776458/daralifamo.pdf
    • http://autodiscover.coprimag.com/uploads/1/3/0/6/130621502/130621502.html#acute+myeloid+leukaemia+in+older+adults

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006af7.bin
738959916126b2ceb12f3bd0aa1779f28f38befcfad4f86de51af276fddcd146		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF7 3688 bytes
font_01_sfnt_off00007b02.bin
bb1f865ed9c8fe44a7f03a2b4b8dbbd5233348959a00044d9052f9ab5ee71977		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B02 10512 bytes

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