Malicious PDF — malware analysis report

Static analysis result for SHA-256 569b6354b5880e33…

MALICIOUS

PDF

43.5 KB Authoring application: Mobipocket Creator
MD5: 82cf760255c08a05f60ad9aeee052737 SHA-1: 79a025df94e80b14f91b7fcfccfc4a5ed02408fa SHA-256: 569b6354b5880e3366d7a3aca8d312b27880ba60a54ab89abf5f10aedd9e5a75
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, indicative of a link farm or redirection scheme. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection purpose. No scripts were extracted, but the sheer volume of external links points to a malicious intent to lure users to potentially harmful content.

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://apartmentsbastion.com/uploads/1/3/0/5/130588434/56cb591c994f771.pdf
    • http://mellissasanchez.com/uploads/1/3/0/6/130604109/76e9ca9c8.pdf
    • http://lucretiabingham.net/uploads/1/3/0/3/130313323/7729822.pdf
    • http://adentaitalia.com/uploads/1/3/0/3/130313588/c1b31c415c7de.pdf
    • http://saltlakecitybarbershop.com/uploads/1/3/0/2/130272247/busalofomemi.pdf
    • http://noccassoc.org/uploads/1/3/0/2/130272511/9817004.pdf
    • http://bingscatering.net/uploads/1/3/0/3/130313299/mopajobomavowenisuj.pdf
    • http://baakboutique.com/uploads/1/3/0/6/130621197/7339890.pdf
    • http://tkbent.com/uploads/1/3/0/4/130478314/d90f1e4a39.pdf
    • http://mysp365.com/uploads/1/3/0/6/130604562/tejorimubonege.pdf
    • http://mrsscunningham.com/uploads/1/3/0/6/130604218/6a2a4f.pdf
    • http://dewynns.com/uploads/1/3/0/6/130604979/miketejitiz.pdf
    • http://advance-it.net/uploads/1/3/0/4/130489604/130489604.html#berserk+all+volumes+pdf

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001314.bin
1a9b0a4e938382dc5da690d027e9a8d9d7d4f6a95983f78195c159ca87e2f4ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1314 9776 bytes
font_01_sfnt_off00004e64.bin
7e509e018686ef41d3b913c0e84f5d84464fab713dd4fec48404754d4ba530c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E64 16508 bytes
font_02_sfnt_off00006485.bin
f7e3057037eaff5dce6bf2d6aa4c7b3e73f17709a79b01b5304db3445d97aa89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6485 6112 bytes

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