Malicious PDF — malware analysis report

Static analysis result for SHA-256 c017e2e8e505aa8d…

MALICIOUS

PDF

34.1 KB Authoring application: Mobipocket Creator
MD5: 84de93886bd47f0adda83bc82ebd3d6b SHA-1: 867237b2aa9bfcbf51d16ddd14fd209a6b61b85f SHA-256: c017e2e8e505aa8dfefc75519a58fa0474fc1047bcb1a2f4cd87583f9dfbe1f6
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 firing, indicating the presence of a mass external PDF link farm. The document body contains numerous embedded URLs pointing to various domains, all of which are likely part of a phishing or malware distribution scheme.

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://nicoleedwardslimited.com/uploads/1/3/0/2/130271076/6710421.pdf
    • http://aemmajamal.com/uploads/1/3/0/4/130483606/454879.pdf
    • http://miradorbascamao.com/uploads/2020/01/27/16282.pdf
    • http://newbethelrolesville.com/uploads/1/3/0/2/130288479/pavejub.pdf
    • http://10thirtychoir.org/uploads/1/3/0/6/130639767/mokemovajak_fumajojujipog.pdf
    • http://mymissblue.com/uploads/1/3/0/5/130588712/130588712.html#biochar+environmental+management+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001084.bin
ff823cc598a66776a07810f6e30c6465248343ebd84d45c2631ccffbcc237f51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1084 8332 bytes

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