Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a78b4c30ae30f5f…

MALICIOUS

PDF

45.3 KB Authoring application: Soda PDF
MD5: 25f585f5df40f24d73e32ae179c07e81 SHA-1: 6376730012cf9adcc2dd530e4ec0c51c305c0756 SHA-256: 8a78b4c30ae30f5fb5a7ad294fe72fc5270ffe1b60218b15347e05f51f0f1d8b
130 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to PDF files on suspicious domains, indicating a link farm designed to distribute malicious content. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and distribution intent. The document body, though partially corrupted, suggests a lure related to educational materials to encourage users to click the embedded links.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://oaespto.com/uploads/1/3/0/6/130605314/misalimul.pdf
    • http://theanthonyseddonfund.org/uploads/1/3/0/5/130538817/7500371.pdf
    • http://rockinghamtoylibrary.weebly.com/uploads/1/3/0/6/130639767/joduv.pdf
    • http://lobumogut.itmaster-pro.ru/uploads/2020/01/28/2902112.pdf
    • http://twoklassens.com/uploads/1/3/0/6/130604299/4937576.pdf
    • http://myhypecheck.com/uploads/1/3/0/6/130639357/tefigunopitu-saxarabi-fuloxexu-vulake.pdf
    • http://mynaturalhairspa.com/uploads/1/3/0/2/130272928/130272928.html#hodder+education+chemistry+answers+gcse

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001125.bin
1664e4e0adb158cb4ef5fa0f57537e65f7cefe27765d9f48699627a661239fbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1125 8036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.