Malicious PDF — malware analysis report

Static analysis result for SHA-256 26780a07e19efb56…

MALICIOUS

PDF

35.9 KB Created: 2020-04-09 12:57:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: babf6b57a8412dd60e74e0d16649e60a SHA-1: effeb2deb072b636367a2388d56f951cc1a0f399 SHA-256: 26780a07e19efb560581e64fe037d3cb353f9e3204bf4c7a09bc776da44a6276
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm or a mechanism to distribute malicious content indirectly. The presence of a 'download button' heuristic further suggests an intent to trick the user into navigating these links. No scripts were extracted, limiting the analysis of direct payload execution.

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://coplandhoughton.com/uploads/1/3/0/5/130551378/130551378.html#me6504+metrology+and+measurements+notes
    • http://wichitapropertyvalues.com/uploads/1/3/1/4/131453555/7085590.pdf
    • http://wispcleaning.ca/uploads/1/3/0/6/130605440/9a96eb.pdf
    • http://gisouareinvest.com/uploads/1/3/0/8/130813973/godabusu-jozogop-kosujipadasez-xatagaw.pdf
    • http://innovativecareerconcepts.com/uploads/1/3/1/0/131070011/kobuvofuwikolup.pdf
    • http://neuropolisblog.com/uploads/1/3/0/6/130605280/rasemogaralaxod.pdf
    • http://safetyminder.org/uploads/1/3/1/4/131438012/nunimikakigin_midevudemo.pdf
    • http://sadiereynoldsceramicdesigns.com/uploads/1/3/0/6/130604203/a6ea366d.pdf
    • http://orclass-corporate.com/uploads/1/3/0/6/130604529/8685881.pdf
    • http://connectionscasemanagement.net/uploads/1/3/1/4/131407235/1baeeec5.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_off00006245.bin
1739375acfad8339c301990472e266f3027b53dcd8fd9f06d0683207c2aa2ea9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6245 7824 bytes

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