Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee58ab182af15385…

MALICIOUS

PDF

56.1 KB Authoring application: LibreOffice Draw
MD5: 6c1534aea8e803c40cdd421904fadcd4 SHA-1: 3822467af076f29107915135fb6bec27c82b5fe8 SHA-256: ee58ab182af15385f3dba657c84e8320e629bc8a38a9682ef6533652bcdbda21
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF files hosted on various domains. The document body, though heavily obfuscated, contains references to a 'Disgaea 2 dlc characters guide' and embedded URLs, suggesting a lure to trick users into downloading further malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malware distribution intent.

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://bedminsterexcavation.com/uploads/1/3/0/3/130379380/7882763.pdf
    • http://abcc-am.org/uploads/1/3/0/6/130604532/xojomo.pdf
    • http://tanjazumanschauen.com/uploads/1/3/0/7/130739559/c5e2b301fc70.pdf
    • http://people.co.nz/uploads/1/3/0/6/130604575/winiv.pdf
    • http://sophieleblancvisualmedia.com/uploads/1/3/0/5/130542692/bd88a.pdf
    • http://mysoundcollective.com/uploads/1/3/0/3/130379205/130379205.html#disgaea+2+dlc+characters+guide

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001094.bin
f51b6f0cb22f1f4497d2ae5df528b2904681e0500719403917247b75343fb8cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1094 8636 bytes
font_01_sfnt_off00006958.bin
e558995838a6af2eb13430284f118669e9fcd8984710a2277c9237d542b34d59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6958 18272 bytes
font_02_sfnt_off0000a160.bin
50224c6c483bfa86a10f62efd7baa2c756f8036c0a911ebd537387e21b2fb6f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA160 2732 bytes

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