Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce24e18deff8977e…

MALICIOUS

PDF

39.3 KB Created: 2020-03-29 08:25:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ba8090820cf464433cd66811cbd48696 SHA-1: a91b64302accfe3b1623d1929432b6be48345e8b SHA-256: ce24e18deff8977e6abcadb1181ba20fa6f5ed5c4bfbd607fdbb624dbf2c0c55
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, indicates it is disguised as an instruction manual. The primary goal appears to be directing users to malicious websites, likely for phishing or malware distribution, as indicated by the PDF_SEO_LINK_FARM heuristic and the ML_NYX_PDF_MALICIOUS classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://cityonloc.com/uploads/1/3/0/3/130379347/130379347.html#hpi+baja+5b+ss+instruction+manual
    • http://grnd-apparel.com/uploads/1/3/0/3/130323409/6738845.pdf
    • http://cuttingedgepoodles.com/uploads/1/3/0/4/130436337/3405836.pdf
    • http://aegisve.com/uploads/1/3/0/2/130289347/5633018.pdf
    • http://middleenglandmedia.com/uploads/1/3/0/7/130776197/9220533.pdf
    • http://thelavendermermaid.com/uploads/1/3/0/6/130620690/5011de.pdf
    • http://mta-sts.mail.iowamavericks.com/uploads/1/3/0/5/130539494/fuwuze-susemitenera-jijot.pdf
    • http://ns.melindamorris.com/uploads/1/3/0/7/130739621/tasaso-porajexegugat.pdf
    • http://dumpyourjunkremovals.com/uploads/1/3/1/3/131383726/rifejazizid.pdf
    • http://gdkelectronics.com/uploads/1/3/0/6/130604933/pikarelome.pdf
    • http://kennyminh.com/uploads/1/3/0/8/130873962/davunafoleder.pdf
    • http://thomashartptnc.com/uploads/1/3/0/5/130589238/dapipezagobawud_budonuxoforor.pdf
    • http://cpanel.oliveandyew.com/uploads/1/3/0/5/130590298/9198377.pdf
    • http://volnaiskra.com/uploads/1/3/0/2/130289315/pimotofux_lilobegukinalom.pdf
    • http://fietstaxischeveningen.nl/uploads/1/3/0/5/130589337/a46dc431.pdf
    • http://sammiegeislerdpt.com/uploads/1/3/0/6/130621021/tamonom_vutasobejanare_nivowukata.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_off0000702e.bin
4e740ddf0606e1cc1d41aa7aea0666a3533be9e864bd4dafbd2f867e4d918cf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x702E 7740 bytes

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