Malicious PDF — malware analysis report

Static analysis result for SHA-256 57dcd09bc7e74bf9…

MALICIOUS

PDF

42.7 KB Created: 2020-03-13 05:12:02 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6744c7e85d668230cec6b47681cf6be8 SHA-1: 992567d9e9124927a242f4c72adda9daa3d54350 SHA-256: 57dcd09bc7e74bf929d486f5b428cfea11fb3361da896dfa7e0805dad84ed12b
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm with numerous external URLs, indicating a likely attempt to redirect users to malicious content. The heuristic 'SE_URGENCY_LURE' suggests the document text may contain language designed to prompt immediate action, further supporting a phishing or scam attempt. The presence of multiple external links, particularly those hosted on seemingly unrelated domains, points towards a coordinated effort to distribute malicious content.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://michaudwellness.com/uploads/1/3/0/6/130620512/130620512.html#acute+coronary+syndrome+vs+nstemi
    • http://shamkafinc.com/uploads/1/3/0/7/130775392/doguguvikadinasafebi.pdf
    • http://www.baysidechiropracticllc.com/uploads/1/3/0/6/130605078/1627650.pdf
    • http://quietcreature.com/uploads/1/3/0/6/130639227/lorix-jusuze-regemuki.pdf
    • http://admgems.com/uploads/1/3/0/5/130590666/5698583.pdf
    • http://healthybonepoints.org/uploads/1/3/0/7/130775172/kazebupagotapi_ruxil.pdf
    • http://soulcare.dk/uploads/1/3/0/8/130814020/366069.pdf
    • http://www.sugarlandlice.org/uploads/1/3/0/6/130622024/xomazavofobor.pdf
    • http://hairbyjonathan.com/uploads/1/3/0/5/130540172/8091173.pdf
    • http://googledrugs.org/uploads/1/3/0/5/130545173/503161.pdf
    • http://morganschaeffer.com/uploads/1/3/0/7/130776415/943b27f999e.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_off00007f9f.bin
019c2e16dd2bdb036b3437b843ba844109f9edcd926cad52f5ac186581e24363		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F9F 7912 bytes

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