Malicious PDF — malware analysis report

Static analysis result for SHA-256 dac86e250cedf4bc…

MALICIOUS

PDF

39.5 KB Authoring application: PDFedit
MD5: 52dd85cc634e40bc91dad9e7b22e2579 SHA-1: 316513f6ccc25140423da538ed967e9f91ef2bc9 SHA-256: dac86e250cedf4bc8d2264a5a6eb806b57c575d1096bfb81aaf8369a8923d89f
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique commonly used for SEO poisoning or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution intent. The document body is heavily obfuscated and does not provide clear textual lures.

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://latoniaprice.com/uploads/1/3/0/6/130620557/8587ac4754ea3.pdf
    • http://theradicallygood.com/uploads/1/3/0/5/130551309/2950070.pdf
    • http://elkhartmovingandstorage.net/uploads/1/3/0/2/130274263/fanotagerawume.pdf
    • http://mta-sts.rayhull.com/uploads/1/3/0/8/130813330/relibewujafexowuvas.pdf
    • http://agapepawslabradoodles.com/uploads/1/3/0/6/130621715/5d0d99f.pdf
    • http://www.ohsua.com/uploads/1/3/0/7/130739648/bunutofazo.pdf
    • http://sucredebain.com/uploads/1/3/0/7/130775772/bapulozadalev.pdf
    • http://apricotcoaching.com/uploads/1/3/0/6/130605229/zibajufupunenuwaw.pdf
    • http://amberartglass.com/uploads/1/3/0/4/130488288/91c5c6.pdf
    • http://nugriot.com/uploads/1/3/0/5/130545557/wexiv.pdf
    • http://replicatorsystems.com/uploads/1/3/0/7/130739256/4913822.pdf
    • http://sentientmind.org/uploads/1/3/0/6/130639720/8b210.pdf
    • http://thepenetwork.com/uploads/1/3/0/7/130775841/9822818.pdf
    • http://metamorphosisinblack.net/uploads/1/3/0/2/130291441/3838025.pdf
    • http://quineden.com/uploads/1/3/0/8/130873843/4590a717f11359.pdf
    • http://theaipiphany.com/uploads/1/3/0/5/130588294/6750984.pdf
    • http://host107.carmichaelnl.com/uploads/1/3/0/6/130604153/130604153.html#gta+san+andreas+money+cheat+xbox+360
    • http://apricotcoaching.com/uploads/1/3/0/6/130605229/zibajufu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003d70.bin
969f36a7bb9bd2e5a58b0b215fc8fd79217b7227a09ede055b4d6960ef0a4952		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3D70 8524 bytes

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