Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ae5f54ba3166d9b…

MALICIOUS

PDF

37.2 KB Created: 2020-05-22 17:52:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41a7a95ad23584777598f5262da44320 SHA-1: e59aec9f313a676da8b49255ea159631b5e42990 SHA-256: 4ae5f54ba3166d9b3b6cf497ff34873447dbc9c38276576393c004e79649535c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 is heavily obfuscated but appears to contain some of these URLs. The primary purpose seems to be directing users to a network of websites, likely for SEO manipulation or to serve further 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://rebeltreads.net/uploads/1/3/1/3/131382495/131382495.html#which+alkaline+earth+metal+is+most+m
    • http://h2olywaterbooks.com/uploads/1/3/1/1/131163599/58214ec3891a7a.pdf
    • http://dancing4adifference.org/uploads/1/3/0/5/130539913/c1c0664315a7.pdf
    • http://oasischronicles.com/uploads/1/3/0/3/130323208/7385475.pdf
    • http://masliahcenter.org/uploads/1/3/0/7/130739653/nadifajiwelam_jifinajaludisif_lidot.pdf
    • http://joyridesalaska.com/uploads/1/3/0/4/130435741/3826806.pdf
    • http://vmapropiedades.com/uploads/1/3/1/3/131379875/zemebawu-somadubivuzug-wimuse-rarapiso.pdf
    • http://thymeouttravel.com/uploads/1/3/0/6/130604733/1467297.pdf
    • http://restoringneighborhoods.com/uploads/1/3/0/6/130620660/1c3a47.pdf
    • http://israelevka.org/uploads/1/3/0/5/130589202/1994354.pdf
    • http://ausneaks.com/uploads/1/3/1/4/131406321/93ae1cdcb1.pdf
    • http://mta-sts.mx.noise4toys.com/uploads/1/3/1/3/131398560/likudizin-libovarisamix.pdf
    • http://mwoc.us/uploads/1/3/0/7/130738836/5125b687bacb.pdf
    • http://driscoll-tennyson.org/uploads/1/3/1/8/131857421/01736799.pdf
    • http://sisterhooodofgrace.org/uploads/1/3/1/8/131856937/d55db.pdf
    • http://dancruzconsultant.com/uploads/1/3/0/7/130739648/6639711.pdf
    • http://hartmannanglim.com/uploads/1/3/1/4/131453049/deed85c.pdf
    • http://littlemountainmassage.net/uploads/1/3/0/8/130813609/xaxuragu.pdf
    • http://liverflush.us/uploads/1/3/1/3/131381910/sitogotirelamex-roloxatoropamab-rojepulip-zezoxix.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_off00006667.bin
6eabad268faacb8cfb7a064bc428173586b9463a552afef070c92a26237d2be3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6667 10160 bytes

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