Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cc0e48c86d740b5…

MALICIOUS

PDF

36.8 KB Created: 2020-05-18 20:18:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 596d8458066d2787fda9b2b58ea46009 SHA-1: e7961f661ce73cabb85f81398b50712598b46dc9 SHA-256: 3cc0e48c86d740b56b41423dd401ba7d38099cf71f48fb639390301b135216ea
102 Risk Score

Malware Insights

MITRE ATT&CK
T1059.003 Windows Command Shell T1204.002 Malicious File

The PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm or redirection mechanism. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs the user to copy and paste content into a shell, a common social engineering tactic to trick users into executing malicious commands. The embedded URLs likely serve as destinations for these commands, potentially downloading further payloads.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://michaelwellsart.com/uploads/1/3/1/6/131606674/131606674.html#dao350.dll+missing+in+vb6
    • http://huntergathereronline.com/uploads/1/3/0/2/130291646/503e69e2327515e.pdf
    • http://pro2sportstraining.com/uploads/1/3/1/4/131452886/doroza.pdf
    • http://ajelwood.com/uploads/1/3/0/6/130603782/6000490.pdf
    • http://swissfirst.net/uploads/1/3/0/4/130488846/solaturawefapa-xaramupidixe.pdf
    • http://davidformaine.org/uploads/1/3/0/7/130776727/c8d1485519e16.pdf
    • http://sencares.org/uploads/1/3/0/5/130539125/15570ae5d97668.pdf
    • http://pecanjacks30a.com/uploads/1/3/0/7/130738740/8872811.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000062af.bin
0ae0d5a7f3580f0765399631619ea00b3e21eb78644dd4af51e94f97799bea03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62AF 11424 bytes

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