Malicious PDF — malware analysis report

Static analysis result for SHA-256 c21b15093f93b047…

MALICIOUS

PDF

39.7 KB Created: 2020-04-03 00:59:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 506bdf36349acf3b55498530d73c9462 SHA-1: 5e56ce24e31e4061bd1cff0320c3fe5b8e128bce SHA-256: c21b15093f93b047f5917b6b738e593af40bac21462a720a57a33fac38d7166c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains a large number of external links, many of which point to other PDF files. The document body text, though heavily obfuscated, contains references to 'running with scissors movie free download' and the authoring application 'wkhtmltopdf', suggesting a lure to trick users into downloading further malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of generated links, likely for SEO poisoning or to host malware payloads.

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://ecgcore.com/uploads/1/3/0/7/130739433/130739433.html#running+with+scissors+movie+free+dow
    • http://claytongatehealthandmassage.com/uploads/1/3/0/2/130288301/maxofivamavan.pdf
    • http://romeroyperez.com/uploads/1/3/0/7/130739291/3567643.pdf
    • http://shirahamasatoshi.com/uploads/1/3/0/4/130436415/6800836.pdf
    • http://degasinvestmentgroup.com/uploads/1/3/0/7/130739153/2cce4db8b85269.pdf
    • http://gmtotalservices.com/uploads/1/3/0/7/130776754/xozorelezefew.pdf
    • http://mnguidedgoosehunting.com/uploads/1/3/0/5/130551729/fizaloranebe-radenove-xavuluwog.pdf
    • http://reconciliationlab.com/uploads/1/3/0/2/130289797/wipexijomojivabas.pdf
    • http://patrickwozny.com/uploads/1/3/0/6/130639661/xapoxujeb.pdf
    • http://sfowkes.com/uploads/1/3/0/5/130588968/140854ecf5fb19.pdf
    • http://rayszmigiel.com/uploads/1/3/0/6/130605182/ketop.pdf
    • http://ubaentertainment.com/uploads/1/3/1/4/131438617/dojubikakage.pdf
    • http://lovebiginspires.com/uploads/1/3/0/4/130488252/vijoderitarol.pdf
    • http://lauracampbell.biz/uploads/1/3/0/8/130874102/wakomijadometu-piwuver-vijejogubekeb-zotonuzegixem.pdf
    • http://lakshmananand.net/uploads/1/3/0/2/130272355/146748.pdf
    • http://adiposesolutions.com/uploads/1/3/0/6/130604111/7118ca44d073bd4.pdf
    • http://cdbconfeccoes.com/uploads/1/3/0/4/130488812/4652726.pdf
    • http://wileytek.com/uploads/1/3/0/6/130604032/b7c077a9b19094.pdf
    • http://sydneyhandsurgeon.com/uploads/1/3/0/6/130603890/suzozatobuje-nutanezimujuwu-kilekajizosesob.pdf
    • http://shayalive.com/uploads/1/3/0/6/130604416/e8932ce9c815.pdf
    • http://warningsignal.org/uploads/1/3/0/5/130539345/8fd86e1f903.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_off000070e8.bin
5d34d316376047e57b43a7052893dba925d631e3b7b4085e2f2e52d9485f3326		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70E8 8696 bytes

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