Malicious PDF — malware analysis report

Static analysis result for SHA-256 be30e4589efc4881…

MALICIOUS

PDF

27.8 KB Created: 2020-05-01 22:49:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8137cd0a6eccdbd1e37aa360860076a9 SHA-1: 420550aa0518a813b6bb146f3540dafe1bcc4bf6 SHA-256: be30e4589efc4881bfc2a337da262e4575b0d8d334978744f47ad4ecf61e9ddf
102 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains a link farm of 17 external PDF files, suggesting a SEO poisoning or link distribution tactic. The document body, though heavily obfuscated, contains references to 'latitude e7470 user manual' and embedded URLs, indicating a lure to download further content. The presence of a 'Visible LOLBin command execution instruction' heuristic suggests the potential for executing commands, likely to download and run a second-stage payload from one of the many linked URLs.

Heuristics 4

  • 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://changewhatyoubelieve.com/uploads/1/3/0/4/130435820/130435820.html#latitude+e7470+user+manual
    • http://texasphotoproject.com/uploads/1/3/0/5/130539427/2365811.pdf
    • http://aversiontecheurope.com/uploads/1/3/1/4/131483078/wosuwax.pdf
    • http://claritycounselingassociates.com/uploads/1/3/0/7/130739916/9857108.pdf
    • http://onelastthingg.com/uploads/1/3/0/6/130621475/4661009.pdf
    • http://youthening.org/uploads/1/3/0/5/130550973/848b54c4.pdf
    • http://feedmeadventures.com/uploads/1/3/0/6/130639801/jobogadox-gubegek-tulorepexajunu.pdf
    • http://mairie-labouexiere.com/uploads/1/3/0/2/130271063/2024144.pdf
    • http://dearskincomic.com/uploads/1/3/0/7/130739073/suxajuxaza.pdf
    • http://plushplus.net/uploads/1/3/0/5/130589131/6955100.pdf
    • http://lovinmycurls.com/uploads/1/3/1/4/131453246/tubizajiwitope_zadusuduf.pdf
    • http://dealershipresultsgroupllc.com/uploads/1/3/1/3/131380485/nerareva.pdf
    • http://practicalherbology.com/uploads/1/3/1/1/131164048/4754932.pdf
    • http://veganoptions.shop/uploads/1/3/0/2/130273578/7965856.pdf
    • http://sarahboulterart.com/uploads/1/3/0/6/130620480/wakan.pdf
    • http://318cvadenver.com/uploads/1/3/0/3/130313166/jowizudoja.pdf
    • http://chelseaishungry.com/uploads/1/3/0/6/130620555/787e6cdf1a7ee1c.pdf
    • http://florenciacat.com/uploads/1/3/0/3/130313106/3ff0dd57.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_off00004a36.bin
e4e1a313e6b99527b269df81dcf1f797def0721c0c52c78c2080a5fefb70ce85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A36 6204 bytes

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