Malicious PDF — malware analysis report

Static analysis result for SHA-256 30a6c642eec9746c…

MALICIOUS

PDF

37.0 KB Authoring application: OpenOffice Draw
MD5: dc8e195eeac22d61407a0258fcf0e1c8 SHA-1: f6dc8bb31f36f43d97de1d50977feb0b3669bbde SHA-256: 30a6c642eec9746cbe4a5417fdd722910e54cb56eb6fb13da5a676f11e4afc58
128 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to other PDFs, suggesting a link farm for SEO or malicious redirection. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly indicates a phishing or traffic redirection scheme. The document body, though heavily obfuscated, contains phrases related to medical records and authorization forms, likely serving as a lure to encourage clicks on the embedded malicious links.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://audioallure.com/uploads/1/3/0/4/130483047/d95658ff.pdf
    • http://romanacoutureshop.com/uploads/1/3/0/6/130621353/3106716.pdf
    • http://fightchronicle.com/uploads/1/3/0/6/130621916/balifunopima_bonekav.pdf
    • http://sophiesticated-travelstories.com/uploads/1/3/0/4/130435536/gafujej-rabap-gekugusined.pdf
    • http://camacamp.org/uploads/1/3/0/3/130313263/1559180.pdf
    • http://kimchibabe.com/uploads/1/3/0/6/130605498/bbff4e985ac9665.pdf
    • http://avlcbdrx.com/uploads/1/3/0/3/130379316/130379316.html#authorization+to+obtain+medical+records+form

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001100.bin
92ab1e376c3b2d19fa42b468232e71983e3bf733e1462cb4ab1c292c66813a1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1100 8120 bytes

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