Malicious PDF — malware analysis report

Static analysis result for SHA-256 b37e008334e4282c…

MALICIOUS

PDF

42.8 KB Created: 2020-03-30 14:00:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8463d2441579b74ba5511fde7af414cb SHA-1: 4f0b3275ee1e97e7761316618b36aa53f0683ca6 SHA-256: b37e008334e4282cc529947675cc68bc3aadb91445ba0598ebc9f05c1e4b5352
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, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, while partially corrupted, includes a title related to economic growth strategies and references the wkhtmltopdf tool, suggesting a deceptive lure. The primary intent appears to be directing users to a vast network of linked PDF files, likely for SEO manipulation or to host malicious payloads.

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://adsl-63-204-18-21.benefitplans.org/uploads/1/3/1/4/131453559/131453559.html#estrategias+de+crecimiento+econ%C3%B3mico+exitosas+de+otros+pa%C3%ADses
    • http://cherylandzhifeng.com/uploads/1/3/1/1/131163536/9240185.pdf
    • http://bradleyrobybowl.com/uploads/1/3/0/7/130776672/miburinejatukaviboxo.pdf
    • http://israelweddingband.com/uploads/1/3/1/1/131163991/2928604.pdf
    • http://travellight.online/uploads/1/3/0/6/130640006/mepezudikexa.pdf
    • http://ardmorevetservices.com/uploads/1/3/0/3/130312961/tokupuwegamivokorid.pdf
    • http://fourchedesign.net/uploads/1/3/0/2/130287278/3350862.pdf
    • http://c4studioscornwall.com/uploads/1/3/0/2/130287419/nupisemojakumesaja.pdf
    • http://therewilder.com/uploads/1/3/0/6/130604692/femedan_xolekow_wuzino_giweginonilijed.pdf
    • http://capturingportsmouth.com/uploads/1/3/1/4/131406722/vugazogoz-kidexidabawelun.pdf
    • http://paqospath.us/uploads/1/3/0/3/130313343/6687918.pdf
    • http://perfectimperfectionsbyjeanne.com/uploads/1/3/0/8/130813079/420f9658a5e.pdf
    • http://icdtautomotivellc.org/uploads/1/3/0/5/130588783/suverizoxitebe.pdf
    • http://elizabethchandlerlondon.com/uploads/1/3/0/6/130605403/4768411.pdf
    • http://southernconcreteandshellllc.com/uploads/1/3/0/2/130289779/2761844.pdf
    • http://anic.ca/uploads/1/3/0/6/130605442/192171de00.pdf
    • http://bakingarsenal.com/uploads/1/3/0/7/130739285/bifugozijeveva.pdf
    • http://twindragon.org/uploads/1/3/0/3/130312972/medirebafatelit.pdf
    • http://acarroll-wallace.com/uploads/1/3/1/3/131378972/5881512.pdf
    • http://jordanjacksonsound.com/uploads/1/3/0/7/130739772/c5e927dfff04152.pdf
    • http://kickstartchildrensbooks.com/uploads/1/3/0/8/130813306/belereradugal-gizetezo-dovabibubu-babujomotugaj.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_off000079c9.bin
ec2b602116822175d209e96499439155ce89999298fe5b78c0eac6f6a4506b89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79C9 8988 bytes

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