Malicious PDF — malware analysis report

Static analysis result for SHA-256 430aea194cde9403…

MALICIOUS

PDF

37.6 KB Created: 2020-04-18 05:46:37 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b47a52b5a25915f2221b902824171a63 SHA-1: 09dbf378fa4501607c18af0a4952d2af74390513 SHA-256: 430aea194cde940344495ae573230eb0e7fca1c6ab9f6e0ff33c5a0de6995185
122 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 Malicious Link T1566.002 Spearphishing Attachment

The PDF file contains a large number of external links, many of which point to other PDF files hosted on similar domains, suggesting a link farm or SEO abuse. The document body also contains a lure to install a browser extension or update, which is a common social-engineering technique to trick users into downloading malware or providing credentials. The presence of multiple external URLs and the specific lure indicate a malicious intent to redirect users to potentially harmful content or facilitate further infection.

Heuristics 5

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://uglyeaglebasketballcamp.com/uploads/1/3/0/5/130588934/130588934.html#khata+book+app++for+pc
    • http://kokuasupport.org/uploads/1/3/0/5/130540366/e226d9e499cf0.pdf
    • http://dcomposeur.com/uploads/1/3/0/3/130324324/fce03ae04fac50c.pdf
    • http://divine-vibez.com/uploads/1/3/1/6/131606132/bejagep.pdf
    • http://exittales.com/uploads/1/3/0/6/130639267/1993783.pdf
    • http://indyartwerkz.com/uploads/1/3/0/6/130620705/8756143.pdf
    • http://alniyatbellydance.com/uploads/1/3/0/5/130551599/mejirafedewojaj.pdf
    • http://chelseameerbach.com/uploads/1/3/0/4/130490687/taduxudolixiresafado.pdf
    • http://rareloan.com/uploads/1/3/0/7/130739904/ff7fcc0bba1.pdf
    • http://oscreno.com/uploads/1/3/1/4/131452938/e35fc3baab060e8.pdf
    • http://coolwest.nl/uploads/1/3/0/3/130379770/juwakalaboza.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_off00006b34.bin
a35dd3e58af034a16c7ab7582510ec9649cebf7773823ac1493c0b0aff1dfe11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B34 8188 bytes

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