Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ac06ed5c7b2246b…

MALICIOUS

PDF

44.7 KB Authoring application: OpenOffice.org
MD5: 5f8b19f06218a4b4ec9fa72de6c1f036 SHA-1: 9a592b4ca286be68de2e9839518c12e7accc0ca6 SHA-256: 1ac06ed5c7b2246b64f529c19eb9fbb0cb015c9485aa0e8f6345c0501255e3b5
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to mimic legitimate websites, specifically sheet music direct login pages, to trick users into downloading further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and redirection nature of this document. 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://onceuponapage.net/uploads/1/3/0/3/130313114/9720516.pdf
    • http://sherwoodrooster.com/uploads/1/3/0/7/130740547/83b448986b4.pdf
    • http://teamborkowski.com/uploads/1/3/0/6/130639953/gekebosekidikobakoba.pdf
    • http://bogolist.com/uploads/1/3/0/5/130539255/64965470d.pdf
    • http://rekwiredcosmeticsllc.com/uploads/1/3/0/6/130639178/130639178.html#sheet+music+direct+login

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001050.bin
7de16bb2323a78e274b0bb904552bf63c3c8e0f402b959e7a6d6639f8b2bb5ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1050 9664 bytes

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