Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e8cd4958458785b…

MALICIOUS

PDF

38.8 KB Authoring application: OpenOffice Draw
MD5: ffa20781f2827017d98a53c2ee3960e2 SHA-1: 8f71b4edaa84ec4c4fc2bf2f62ca4bdcdfba49b8 SHA-256: 8e8cd4958458785bccba18363bdf28fa162593b9232ccd37e2a242be492197c0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a PDF_SEO_LINK_FARM heuristic, indicating the document contains numerous external links. These links are likely intended to redirect users to malicious websites or download further malware. The embedded URLs are the primary indicators of compromise.

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://occulterictees.com/uploads/1/3/0/3/130379503/jerefiwe-betaditobe.pdf
    • http://xir.urlmac.com/uploads/2020/01/28/liwuwoxoxodalod.pdf
    • http://relocatemag.us/uploads/1/3/0/4/130489023/6438119.pdf
    • http://medrano-homes-construction.com/uploads/1/3/0/2/130291556/472284d81dc3.pdf
    • https://zetixilekawo.weebly.com/uploads/1/3/0/4/130476207/c1a4fbe9.pdf
    • http://nounoucergy95.com/uploads/1/3/0/6/130639875/jafaroji_roxoxek_dujokib_jidavarisite.pdf
    • http://vokomeku.marveldc.ru/uploads/2020/01/27/2804573.pdf
    • http://emiratescabincrew.co.uk/uploads/1/3/0/4/130490774/130490774.html#epilepsy+causes+ppt

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a6.bin
5ac7821f960ca3c18ec81c813ef8cc49bb79caaeac17b58e80008e6e6a8749b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A6 8660 bytes

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