Malicious PDF — malware analysis report

Static analysis result for SHA-256 3924af54a45cc85b…

MALICIOUS

PDF

72.7 KB Created: 2020-03-24 09:30:19 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4c0686e72503446e9cfc59a899185f5a SHA-1: f1174d3a4edff6c53990531d2d22e0fe90545f9f SHA-256: 3924af54a45cc85b6abc4b5ea63a05b048a2a49b93377a51506c81cc1e4a70fc
62 Risk Score

Malware Insights

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

The PDF document was identified as malicious due to a critical heuristic firing for a PDF link farm. It contains numerous external URLs, suggesting an attempt to manipulate search engine results or redirect users to potentially harmful content. The document body itself is heavily obfuscated and appears to be largely junk data, further supporting the malicious intent behind the link farm.

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://highendwoodwork.com/uploads/1/3/0/2/130287295/130287295.html#2+poemas+de+movimiento+romanticismo
    • http://causewecan123.org/uploads/1/3/0/2/130287915/5883406.pdf
    • http://savvynotary.com/uploads/1/3/0/7/130739419/6543878.pdf
    • http://nadiafarah.com/uploads/1/3/0/7/130738940/a658e.pdf
    • http://gigidesignemposium.com/uploads/1/3/1/0/131070381/d9dbec25c54f74a.pdf
    • http://www.nwintegrativeprimarycare.com/uploads/1/3/0/2/130288316/tetomako_fetaleneb_sajakum.pdf
    • http://unlockingancientpathways.com/uploads/1/3/1/1/131164033/db5578f0f6f6c7.pdf
    • http://www.pspsupply.com/uploads/1/3/0/2/130289748/4550214.pdf
    • http://khijhahoward.com/uploads/1/3/0/5/130539494/zisojuvuxi_kutabetaw.pdf
    • http://www.rulapaughmarketing.agency/uploads/1/3/0/6/130604428/1894966.pdf
    • http://acrylicskeleton.com/uploads/1/3/0/8/130874035/bf14b9f5.pdf
    • http://cpanel.anneoregan.com/uploads/1/3/0/3/130313037/6469296.pdf
    • http://webdisk.pleikuab.com/uploads/1/3/0/7/130776130/c175c6ec.pdf
    • http://themopsworthcustardcompany.com/uploads/1/3/1/0/131071278/dunisunamosa_tapuvimopovigi_vitalorafij.pdf
    • http://www.issavibeonline.com/uploads/1/3/0/6/130621292/vewijuvojikig.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_off0000f144.bin
1a10bfd8a4090ef52fec4f836868b1e9a317540d1e6ca0388de74613a4032570		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF144 9644 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.