Malicious PDF — malware analysis report

Static analysis result for SHA-256 a27e6a581e28ce27…

MALICIOUS

PDF

105.9 KB Created: 2020-04-19 01:11:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 644dd48a5a0dbf194d6ed17dd5badbb5 SHA-1: a0032c3ae5dae931c14d59ddf16053dacbe13914 SHA-256: a27e6a581e28ce27a46df2ac844ed0ed31618dece2f7a267f4451c3f4f51e20a
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, many of which point to domains that appear to be part of a link farm or SEO manipulation scheme. The document body, though partially corrupted, contains text related to learning to ride a bike, which is likely a lure. The primary intent appears to be directing users to external websites, potentially for further exploitation or to serve malicious content.

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://gawengineering.com/uploads/1/3/0/5/130540178/130540178.html#bike+chalana+sikhe+video
    • http://indigodistributors.com/uploads/1/3/0/3/130323672/a074d29a4eff.pdf
    • http://structuredsettlementconsultants.net/uploads/1/3/0/4/130489833/norefufefozo-wizopuxipesajo-rojebipafi-puvevax.pdf
    • http://lotusfamilycommunitysynergy.org/uploads/1/3/0/6/130639116/760dc.pdf
    • http://emmacreekpublishing.com/uploads/1/3/0/3/130323641/gidagezebakowekume.pdf
    • http://no1southamptonremovals.com/uploads/1/3/0/2/130274199/873b3.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014578.bin
883eb88011cfcc0af031a7d40aecc2a5a677c3bc8932c50296ce02c3138826c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14578 6240 bytes
font_01_sfnt_off00015eb1.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15EB1 1388 bytes
font_02_sfnt_off00016617.bin
a52cdfe483a35e227650bad88d0f17824927bbc1393fe73ba8827e42819105b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16617 18596 bytes

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