Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c789767113c42d5…

MALICIOUS

PDF

41.6 KB Created: 2020-06-18 18:52:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 458b60905d8d029170a8a734cea854dc SHA-1: f9fd937764bb47d9510a83b2e219cd50392e6667 SHA-256: 3c789767113c42d57ab741f2bb6d011298a3db09df30337a9c478a57746b0aa0
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body text is largely unreadable, but the presence of URLs indicates a likely attempt to redirect users to potentially malicious or deceptive 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://yogaddicted.com/uploads/1/3/0/7/130775640/130775640.html#cv+obrazac+pdf
    • http://waggytailtrails.com/uploads/1/3/1/8/131871762/27aa36.pdf
    • http://xenoverse.org/uploads/1/3/0/7/130740011/fizozetadipe.pdf
    • http://linseywardxl.porncolection.com/uploads/1/3/0/5/130590142/zejizazuxima.pdf
    • http://the-joy-of-syntax.com/uploads/1/3/0/6/130621402/dafiwo-bedibaninuvasab-famitumeti.pdf
    • http://wolfcreekpottery.com/uploads/1/3/0/5/130540397/693d7dab533356b.pdf
    • http://mcrgopark.co.uk/uploads/1/3/1/3/131397950/tivijugedirowano.pdf
    • http://tandemhomeinspections.com/uploads/1/3/1/3/131384530/fdfdef.pdf
    • http://barbellvillains.com/uploads/1/3/0/4/130491703/34dce4.pdf
    • http://mta-sts.mx.imageartscolumbus.com/uploads/1/3/0/5/130545742/1779129.pdf
    • http://onwardaccounting.com/uploads/1/3/1/6/131606598/e69f65b59d97.pdf
    • http://2bw.undesirable.us/uploads/1/3/0/4/130483238/3402131.pdf
    • http://repairitnow.co.uk/uploads/1/3/0/4/130490115/6557026.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000673c.bin
21f9fa5e6acf5f231de63f4eda7d15f2f81bfbb0004d03c270782bc6e9a2729e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x673C 4648 bytes
font_01_sfnt_off00007716.bin
f19fd4d988fe6efad13a2f419de978dbad3dd8703fa171f434d02345ee51f7f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7716 10584 bytes

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