Malicious PDF — malware analysis report

Static analysis result for SHA-256 d97ce0b1868fa024…

MALICIOUS

PDF

38.7 KB Created: 2020-03-07 18:22:59 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 2c47b1e3fc8a0c58bb306e63249be1dd SHA-1: f5583ca58ccb455d65591ba5fe2dec1c643debcb SHA-256: d97ce0b1868fa02492e3e84d6b2b69b7b6856f231aa5ae2662a53e1433789fce
72 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, a technique often used for SEO poisoning or to redirect users to malicious websites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with the dominant host being 'rheacafeandgrill.com'. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further suggests a lure to trick users into clicking these links. No scripts were extracted, but the link farm and download button heuristics strongly indicate a phishing or redirection attack.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://starpestcontrolpr.com/uploads/1/3/0/4/130476208/130476208.html#malaria+in+pregnancy+consortium
    • http://rheacafeandgrill.com/uploads/1/3/0/5/130589342/fulofe-wusutevigovin.pdf
    • http://nicolas-rigaux-photographe.com/uploads/1/3/0/2/130289236/revexi.pdf
    • http://kris-ginadesigns.com/uploads/1/3/0/6/130640155/6418564.pdf
    • http://official-brands.com/uploads/1/3/0/4/130483373/64087f.pdf
    • http://dougstewartcircus.com/uploads/1/3/0/6/130605248/debegugukas.pdf
    • http://mx.fresnelconsult.com/uploads/1/3/0/2/130291662/2856505.pdf
    • http://www.dariuskarimipour.com/uploads/1/3/0/6/130605443/4225433.pdf
    • http://www.powerandstrengthfitness.com/uploads/1/3/0/6/130604148/razeb_wibawalelezawas_zuzabokopedug_nufoxezofanase.pdf
    • http://noradavis.net/uploads/1/3/0/3/130323592/5291776.pdf
    • http://pedenportfolio.com/uploads/1/3/0/7/130776852/butanef.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007088.bin
19f8e84d768786565a4660b720ad05ffe1bf812dd9f8caa5cd0d06b177f8ad67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7088 8396 bytes

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