Malicious PDF — malware analysis report

Static analysis result for SHA-256 805d44f182cfade7…

MALICIOUS

PDF

36.8 KB Created: 2020-03-22 11:11:34 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e33adfeb6b0aa78f3a35aa57f52a5e2 SHA-1: fe9f3418f6e2b304ababea494ad0596c25cba317 SHA-256: 805d44f182cfade727d9bb9bdde1c80561f8275ced839e3c1f3ceef389ba2cf4
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, many of which appear to be part of a link farm. The document body, though partially corrupted, contains a URL that is also present in the list of external links. This suggests the primary purpose is to redirect users to potentially malicious content hosted on these external sites.

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://brakeactive.com/uploads/1/3/0/7/130775268/130775268.html#como+iniciar+una+hipotesis+de+investigacion
    • http://buildingproject.theworshipcenterct.org/uploads/1/3/0/2/130287976/fenilapa.pdf
    • http://theartofshade.de/uploads/1/3/1/1/131164052/lobowu.pdf
    • http://sonsofsocalunionforward.com/uploads/1/3/0/7/130739635/pomuboxuko.pdf
    • http://heala.life/uploads/1/3/0/6/130603825/f2571277e688d.pdf
    • http://jesscoxart.com/uploads/1/3/0/6/130605173/xefovezagagem.pdf
    • http://cwrwwtp.com/uploads/1/3/0/6/130604078/fujesulusuzix.pdf
    • http://tiffanieharrison.com/uploads/1/3/0/6/130603682/e072329e7a6c.pdf
    • http://adventklinic.com/uploads/1/3/0/4/130477448/6b626c20ba15a.pdf
    • http://www.theoilvibeevents.com/uploads/1/3/0/5/130540507/4737413.pdf
    • http://michaelmangano.com/uploads/1/3/0/8/130813834/8ec0f57.pdf
    • http://casenoibucuresti.com/uploads/1/3/0/9/130969438/a5455f.pdf
    • http://highshoppingnetwork.com/uploads/1/3/0/7/130738948/1139646.pdf
    • http://www.soulexcitements.com/uploads/1/3/0/6/130621486/gamez.pdf
    • http://momentsbyval.com/uploads/1/3/0/4/130477829/xulefob.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_off000066d7.bin
08c7fa91c26e62817c0a39d0e321c999c83c6ed07292c6bef416d17c4ab588d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66D7 7988 bytes

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