Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b2a0b235a0567a2…

MALICIOUS

PDF

34.3 KB Created: 2020-04-02 18:25:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 52f61d8e32290b3c6cda509de4412026 SHA-1: c9ec640cfe0c12ad88ab636be96dbea05f532200 SHA-256: 9b2a0b235a0567a2d19cbb8081cf95aa0c55190de08e5357d6f66a8fd502473b
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body mentions 'Pokemon go online unblocked', suggesting a lure to attract clicks. The primary heuristic identified a link farm structure, indicating a likely attempt to distribute malware or conduct phishing through these numerous URLs.

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://sensitiveminds.org/uploads/1/3/0/8/130813798/130813798.html#pokemon+go+online+unblocked
    • http://surfminocqua.com/uploads/1/3/0/7/130775800/gexunupexusun-gejemezul.pdf
    • http://oldflamesoycandles.com/uploads/1/3/0/5/130544147/fejerigopejow.pdf
    • http://omega-dogs.com/uploads/1/3/0/6/130604737/9810883.pdf
    • http://mail.melepana.com/uploads/1/3/1/4/131453588/1240045.pdf
    • http://writersforbernie.com/uploads/1/3/1/4/131453522/6ecc01557ba9c.pdf
    • http://superchoiceins.com/uploads/1/3/0/5/130540406/32dd4f5d8d.pdf
    • http://streamteamdreamteam.net/uploads/1/3/0/2/130291585/tunevasufaz.pdf
    • http://ergomobile.ca/uploads/1/3/0/5/130590456/8a8e5af256524a.pdf
    • http://warrantedplumbingsvcs.com/uploads/1/3/0/8/130874608/vesex.pdf
    • http://sincerely-amber.com/uploads/1/3/0/3/130313585/jakofije.pdf
    • http://reconnectate.com/uploads/1/3/1/4/131454733/36c65ecf.pdf
    • http://snsglobal.org/uploads/1/3/1/0/131071067/0ef3c.pdf
    • http://democracy.nyc/uploads/1/3/0/8/130813898/papufaposalaf.pdf
    • http://sousvideacademy.com/uploads/1/3/1/3/131398143/7123587.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_off00005cee.bin
3f713c810c8aed3f99a9b43c1539361c6ee016577cba625bc0328f10a3aebf2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CEE 8196 bytes

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