Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa5832ccedf3e334…

MALICIOUS

PDF

95.1 KB Created: 2020-06-06 19:33:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0261d373b6409b027fa270d265c98000 SHA-1: 42773d95c46cdfa3196fba34aff6753394216427 SHA-256: fa5832ccedf3e334dc660eab9065dcbb9b15e9e7afb458516ad25abe12227c10
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a lure related to 'Final Fantasy 3 walkthrough snes' in its document body, which is a common tactic for social engineering. Heuristics indicate a link farm of external PDF files, with the primary domain being 'theorchar.com'. The ML classifier strongly flagged this PDF as malicious. The presence of multiple external links suggests a downloader or redirector pattern, aiming to serve further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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.
  • 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://solitamontoya.com/uploads/1/3/0/7/130776493/130776493.html#final+fantasy+3+walkthrough+snes
    • http://theorchar.com/uploads/1/3/1/6/131636826/1f509.pdf
    • http://mysassylaces.com/uploads/1/3/1/3/131384618/xutefi.pdf
    • http://thehomesteaders.life/uploads/1/3/1/4/131438002/2457069.pdf
    • http://solitamontoya.com/uploads/1/3/0/7/130776493/terms.html
    • http://solitamontoya.com/uploads/1/3/0/7/130776493/dmca.html
    • http://solitamontoya.com/uploads/1/3/0/7/130776493/policy.html
    • https://velefibilon.files.wordpress.com/2020/06/tadeponajikedurulogelu.pdf
    • https://semagizam.files.wordpress.com/2020/06/dibabogosevakagikige.pdf
    • https://dujatozat.files.wordpress.com/2020/06/76966200103.pdf
    • https://jozimuril.files.wordpress.com/2020/06/99864084421.pdf
    • https://kekajonupuse84433623.files.wordpress.com/2020/06/jovuposawe.pdf
    • https://retixuk.files.wordpress.com/2020/06/bapakinekokarip.pdf
    • https://bawazanapu.files.wordpress.com/2020/06/vazijijokikanudevefijirag.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_off0001477c.bin
4ffd763c8f1073f2ead7ecac242ade491088be2d49d8c5fca8ef50d17e6646b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1477C 12148 bytes

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