Malicious PDF — malware analysis report

Static analysis result for SHA-256 a04b107d44a3ea68…

MALICIOUS

PDF

46.0 KB Authoring application: Soda PDF
MD5: 5efc1667a288cd38ddafd348ba51dc27 SHA-1: 4e8331a835fc9090e584757cbe34372a43f23ffb SHA-256: a04b107d44a3ea68e96328c1edaf04bdb3be2ee68e60a34027d4c5185d4eebff
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm designed to direct users to potentially malicious content or phishing sites. The ClamAV detection further supports the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. 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://myentelechy.com/uploads/1/3/0/3/130379357/xetefim-vovolinego-pogutozeno.pdf
    • http://jafav.lookru.ru/uploads/2020/01/28/jetulu.pdf
    • http://noblecountylibrary.com/uploads/1/3/0/6/130620803/954b59e9e9c36.pdf
    • http://andreartwork.com/uploads/1/3/0/4/130477048/libivuzeduvojone.pdf
    • http://michaelshusko.com/uploads/1/3/0/2/130270985/130270985.html#georgia+guidestones+inscriptions

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f7.bin
1788fde73f2faa68d3489f95b8c2b5d49e6e7fef59d7d761cf11abebb0ed9ded
pdf-font-stream PDF embedded font (sfnt) at offset 0x10F7 10192 bytes
font_01_sfnt_off000063b1.bin
3d0c0a3ded87daa061562adcaf7b65540d243e2d76e08884dd4168f6669e341c
pdf-font-stream PDF embedded font (sfnt) at offset 0x63B1 16272 bytes
font_02_sfnt_off000078fb.bin
4cda5f785b161ab6df9682e6368fd2c101e9aa902a3f31947a361fc50cf1a95c
pdf-font-stream PDF embedded font (sfnt) at offset 0x78FB 2732 bytes