Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe8712d78c370bbd…

MALICIOUS

PDF

43.9 KB Created: 2020-04-11 04:27:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: e2d3a4e32f932328289baa1a6db292d8 SHA-1: 1fceee5f290c86110c036514ae7013959c180c92 SHA-256: fe8712d78c370bbd8e27b48f9f80b6da38b6141e3f260253403ca54c86d18343
72 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to other PDFs, suggesting a link farm or redirection mechanism. The presence of a 'download button' heuristic and an embedded URL further supports the idea that this document is designed to trick the user into navigating to malicious content. The primary URL found is http://adsl-63-204-18-8.benefitplans.org/uploads/1/3/0/3/130323672/130323672.html#new+york+cult+recipes, which likely serves as the initial lure.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://adsl-63-204-18-8.benefitplans.org/uploads/1/3/0/3/130323672/130323672.html#new+york+cult+recipes
    • http://westshorebiology.com/uploads/1/3/1/4/131482823/2594515.pdf
    • http://farmboyconsulting.com/uploads/1/3/0/7/130775961/36fe8a8ed960dc.pdf
    • http://sassysportsballs.com/uploads/1/3/0/6/130640232/c79e77b53c3a2.pdf
    • http://integrityvacationrental.com/uploads/1/3/0/6/130620484/434ff6ccb27.pdf
    • http://theyearsbestwedding.com/uploads/1/3/0/6/130604321/fodajadubonisud.pdf
    • http://clipperovercombbarbershop.com/uploads/1/3/0/7/130776854/8055753.pdf
    • http://lanniesneighborhood.com/uploads/1/3/0/6/130620501/tubowekuda.pdf
    • http://weclearland.com/uploads/1/3/1/3/131380184/mifajimobifuzim.pdf
    • http://cscle.com/uploads/1/3/0/8/130814579/7560699.pdf
    • http://treeplantinghouston.com/uploads/1/3/0/9/130969506/5423246.pdf
    • http://orderedelements.net/uploads/1/3/0/6/130621096/mutawurubusoso.pdf
    • http://qualityfrags.com/uploads/1/3/0/5/130551794/mixinajidefo.pdf
    • http://thinkturkey.com/uploads/1/3/1/3/131383342/dab3afbdd4868.pdf
    • http://freda.xyz/uploads/1/3/0/6/130603958/5aaa0a4f8de92c.pdf
    • http://rhemayoga.org/uploads/1/3/1/3/131384552/06662671.pdf
    • http://westshorebiology.com/uploads/1/3/1/4/131482823/2594515
    • 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_off00008145.bin
e5059c8e762c21fd27ee4bbc2c7ee485ece4fa7607185286b4496afadcc74d8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8145 9092 bytes

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