Malicious PDF — malware analysis report

Static analysis result for SHA-256 edf6badc67686cb6…

MALICIOUS

PDF

39.8 KB Authoring application: Solid Converter PDF
MD5: 7d0cef0b685a81a6fa0aac5a23160b0f SHA-1: a9a105205083b832202533af2432c8984e361af5 SHA-256: edf6badc67686cb68d22288cb3872568cbeb958080d80576fd54d06b8a810783
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in SEO poisoning and phishing campaigns to direct users to malicious websites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a high likelihood of malicious intent. The embedded URLs are the primary indicators of compromise, suggesting the document's purpose is to drive traffic to these external resources.

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://coreducate.com/uploads/1/3/0/4/130492127/1713172.pdf
    • http://perfectfixhandyman.com/uploads/1/3/0/2/130272394/tuwiwunuj.pdf
    • http://sherryerskine.com/uploads/1/3/0/2/130288600/8e174338326a17d.pdf
    • https://zulenoda.weebly.com/uploads/1/3/0/3/130313613/2598936.pdf
    • http://aandrclean.com/uploads/1/3/0/6/130621689/8754558.pdf
    • http://exchangeclubmobile.org/uploads/1/3/0/5/130589423/39770c57c7aa1.pdf
    • http://kreativejeanius.org/uploads/1/3/0/5/130539783/1132476.pdf
    • http://stefaniefletcher.com/uploads/1/3/0/5/130546803/matofolamefivu.pdf
    • http://coinsmadeforyou.com/uploads/1/3/0/7/130775850/059652c7128c5e.pdf
    • http://colddiamnd.com/uploads/1/3/0/2/130271011/130271011.html#declining+a+job+offer+after+signing+the+contract+letter

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000120f.bin
1750c319717b4eb1f38b4cd3b9ed9fb524a1881d4d279826d13bcf268fd3be1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120F 7876 bytes

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