Malicious PDF — malware analysis report

Static analysis result for SHA-256 5177910225a07709…

MALICIOUS

PDF

34.2 KB Created: 2020-04-21 20:23:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: fe436090c4ee6231af75f5368c5b4187 SHA-1: 902401b18ad95eb5fd875a34d7377d2df0ebc932 SHA-256: 5177910225a077091d5790323f4131f829ad8147cb69457abeb8bd4296c41c43
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, a common tactic for SEO poisoning or directing users to malicious sites. The document body text mentions 'Merge docs to pdf online' and 'wkhtmltopdf', suggesting a lure to a fake online service. The embedded URLs likely lead to further malicious content or phishing pages. 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://covenantpresbyterianchurchjoyintrinitarianfellowship.com/uploads/1/3/0/4/130435706/130435706.html#merge+docs+to+pdf+online
    • http://captainspecialtyins.com/uploads/1/3/1/3/131398176/tujoriwupumawovumig.pdf
    • http://leighfilmsociety.com/uploads/1/3/0/7/130738701/5935c51.pdf
    • http://www.cdbconfeccoes.com/uploads/1/3/0/4/130476597/majafakixovur.pdf
    • http://jayteeinc.com/uploads/1/3/0/2/130274169/2a4ab0285c968.pdf
    • http://thestudiohomemade.com/uploads/1/3/0/2/130287514/5a100cd2604e18.pdf
    • http://julyyang.com/uploads/1/3/0/6/130620965/459225.pdf
    • http://halfshirefarm.com/uploads/1/3/0/6/130605351/jewopikuxudu_berajewe.pdf
    • http://whistlefund.com/uploads/1/3/1/4/131437839/958129.pdf
    • http://riskyart.com/uploads/1/3/0/4/130436236/ac0d303fae206.pdf
    • http://blackwillshoot.com/uploads/1/3/1/4/131454586/wufuni.pdf
    • http://tvextigers.org/uploads/1/3/0/3/130313513/wupadipuj.pdf
    • http://konzeptgarden.info/uploads/1/3/0/8/130874539/kelon.pdf
    • http://westvlietstreet.org/uploads/1/3/1/4/131453573/4212125848.pdf
    • http://kosstableware.com/uploads/1/3/0/3/130379506/a51b33b94b21.pdf
    • http://commercialtruckinsurancedayton.com/uploads/1/3/1/6/131636969/3876274.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_off00005f7a.bin
b1e7d6c7fa0b6799af8a88fd725b44281432e64ba3c5d2bf27adea374b1f3509		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7A 7744 bytes

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