Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f75a1a80e83ac3…

MALICIOUS

PDF

38.7 KB Created: 2020-04-07 19:53:38 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 94875c8167c390489974cad9d32c9dbc SHA-1: 564f0be2f16837f88cc1858deeb750792c4afd14 SHA-256: 98f75a1a80e83ac3a85999fb99ed97096f235542df9de0821c5e68c14856b034
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though partially corrupted, suggests a 'police investigation scenario' lure. The primary intent appears to be directing users to a network of linked PDF files hosted on various domains, likely as a form of traffic distribution or to host further malicious content.

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://lizardrockstoneandtile.com/uploads/1/3/0/5/130540540/130540540.html#sc%C3%A9nario+pour+enqu%C3%AAte+polici%C3%A8re+myst%C3%A8re+%C3%A0+l%27h%C3%B4tel
    • http://webbwilcoxen.com/uploads/1/3/0/5/130589220/mipitine.pdf
    • http://silks.yoga/uploads/1/3/0/3/130379162/7288887.pdf
    • http://utilitytrailershouston.com/uploads/1/3/0/3/130312984/silikebedajud.pdf
    • http://barleysbeans.com/uploads/1/3/0/6/130605452/b91b8ccc4c908.pdf
    • http://valleycreekcustomdesigns.com/uploads/1/3/1/4/131455680/wijegavubuxot.pdf
    • http://caregivercoffee.com/uploads/1/3/0/6/130620963/nowobogeli.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_off00006937.bin
29c9408e69ddb0857d44e77a5c9e8fd0c06f4a22923677ff2afb498ee9ec94be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6937 10060 bytes

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