Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e5bd8646443ff0…

MALICIOUS

PDF

51.6 KB Created: 2020-04-13 13:22:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8d77daf1fc08bb2c068a3f7c0e7c1d44 SHA-1: 9a65f9b5b60c4b757326d683e03ddfe97db0eeb0 SHA-256: 20e5bd8646443ff0401fcdb93dc0e7989653aa1b867f2cca1ff62da082e7e37d
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a potential attempt to distribute malware or engage in phishing. No scripts were extracted, limiting the ability to determine specific payload delivery mechanisms.

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://jhrpropertyltd.com/uploads/1/3/0/5/130589249/130589249.html#epson+perfection+v850+flatbed+scanner
    • http://lucilindagarcia4nmhouse52.com/uploads/1/3/1/4/131406105/zanabejikugede.pdf
    • http://knitpicksit.com/uploads/1/3/0/8/130814143/8a19dc5bda200.pdf
    • http://diamantes.rocks/uploads/1/3/0/5/130551253/c11d5bfe.pdf
    • http://allennikitinarchitect.com/uploads/1/3/0/2/130272242/3031757.pdf
    • http://adscarpentry.com/uploads/1/3/0/6/130621808/5282733.pdf
    • http://ancientsages.com/uploads/1/3/0/3/130379291/mimag.pdf
    • http://humanassociates.net/uploads/1/3/1/1/131164569/donaxo-takonobamuriza-vomawo-sorur.pdf
    • http://japonensemble.fr/uploads/1/3/1/4/131483020/bipofuzuzujezesebi.pdf
    • http://jlfieldsconsulting.com/uploads/1/3/1/4/131438180/6338960.pdf
    • http://restaurantelenador.es/uploads/1/3/0/8/130814642/00187afbf.pdf
    • http://elysehart.com/uploads/1/3/1/4/131453246/d6cf9a31.pdf
    • http://kellystevensonceramics.com/uploads/1/3/0/7/130740250/6b26e0e081717c.pdf
    • http://reutrivka.com/uploads/1/3/0/6/130620926/e6f12eeab7.pdf
    • http://ancientsages.com/uploads/1/3/0/3/130379291/mi
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008c1a.bin
384be2cb606e80d76092b6e785a2c0ba70aa3525e80ffdfd599df60d1e05003f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C1A 8668 bytes
font_01_sfnt_off0000ad4b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD4B 16036 bytes

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