Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ea656477f9e2f4f…

MALICIOUS

PDF

58.8 KB Created: 2020-05-01 00:36:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7d4e3b97852377fd06ac2003d40f8975 SHA-1: 8a298a7b658779a1aa923cbb04cd944a5229b7c4 SHA-256: 7ea656477f9e2f4fc03f6852fe91283d19b0be0664f4aa9f1a549ada0c5b9507
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 User Execution

The PDF document contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a method to distribute content across many sites. The document body contains a reference to 'Types of neural tube defects pdf', which is likely a lure to encourage clicks on the embedded links. No scripts were extracted from this sample.

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://besthandymanbrooklyn.com/uploads/1/3/1/4/131453134/131453134.html#types+of+neural+tube+defects+pdf
    • http://lewisreviews.com/uploads/1/3/0/5/130589168/kusud_ginukovo_lilolazozuxu_mirunodetojoto.pdf
    • http://unleashthesales.com/uploads/1/3/0/7/130776648/lejabutu.pdf
    • http://shearswarehouse.com/uploads/1/3/1/1/131163507/2952225.pdf
    • http://ladder18bungalow.com/uploads/1/3/0/4/130490928/berutaxi.pdf
    • http://woodyswebwatch.com/uploads/1/3/0/6/130604702/nilebaboxuna.pdf
    • http://jillvandyke.com/uploads/1/3/0/6/130639777/6430540.pdf
    • http://tellusandterra.com/uploads/1/3/0/5/130588951/1e9bb48f39.pdf
    • http://amapanitian.org/uploads/1/3/0/5/130551597/19503c94cfb.pdf
    • http://namatai.com/uploads/1/3/1/4/131407977/binipu.pdf
    • http://growingupminimalist.com/uploads/1/3/0/5/130588272/5427427.pdf
    • http://farmbuddiesonline.com/uploads/1/3/0/3/130323255/xuzakivi.pdf
    • http://permstaffcareers.net/uploads/1/3/0/6/130621143/266896.pdf
    • http://emiruhardware.com/uploads/1/3/0/8/130873781/da75d.pdf
    • http://kelly-peyton.com/uploads/1/3/0/5/130588419/7697151.pdf
    • http://proposal2promise.com/uploads/1/3/0/5/130550944/dazagedumepakax.pdf
    • http://essentialmatters.com/uploads/1/3/0/9/130969149/1892120.pdf
    • http://austinsandford.com/uploads/1/3/0/6/130621934/mavorefovajo.pdf
    • http://iavnt.com/uploads/1/3/0/2/130287291/7309756.pdf
    • http://corinabaku.com/uploads/1/3/0/8/130813999/xofemaku-girugakupifelim.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_off0000ba6b.bin
71794080b3163f5f040b3d5380cfed355cabaa628d97e8c8050646dec06413d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBA6B 9364 bytes

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