Malicious PDF — malware analysis report

Static analysis result for SHA-256 bace29eb3431fdfd…

MALICIOUS

PDF

38.0 KB Created: 2020-06-04 08:02:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87b4bcaa764df15b2f9778bdb223a762 SHA-1: bf3aefcfa072e4b890ea9db06d7e7d1ea7951ec5 SHA-256: bace29eb3431fdfd2a9c8f09d6c56891e9071a3bd3284c6bbddb945183ae7182
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a significant number of external links, many pointing to other PDF files on different domains. This behavior is indicative of a link farm or SEO manipulation tactic. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this pattern, suggesting the document's primary purpose is to drive traffic to these external resources. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific user-facing lure.

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://paranormalearthshow.com/uploads/1/3/0/5/130551749/130551749.html#savage+in+limbo
    • http://billhannahmedium.com/uploads/1/3/0/4/130483866/271f0.pdf
    • http://thestjoeguide.com/uploads/1/3/0/6/130639240/81297.pdf
    • http://storygems.co/uploads/1/3/0/6/130604393/2699584.pdf
    • http://mailserver.noyzelab.com/uploads/1/3/0/2/130274024/bowofidivapapijepuzo.pdf
    • http://wifespiration.com/uploads/1/3/0/6/130639025/wazunepu.pdf
    • http://ballersstrength.com/uploads/1/3/1/3/131383204/kimadutoluzeruk-pixatuzo-pipilonafon-muniw.pdf
    • http://hostmaster.lucialightexperience.com/uploads/1/3/0/4/130435842/6857801.pdf
    • http://spotlightstaging.ca/uploads/1/3/1/0/131070364/6322481.pdf
    • http://paranormalearthshow.com/uploads/1/3/0/5/130551749/terms.html
    • http://paranormalearthshow.com/uploads/1/3/0/5/130551749/dmca.html
    • http://paranormalearthshow.com/uploads/1/3/0/5/130551749/policy.html
    • https://livufase.files.wordpress.com/2020/06/77710040339.pdf
    • https://fagurazutepu.files.wordpress.com/2020/06/biwalev.pdf
    • https://janavojomeb.files.wordpress.com/2020/06/86183416492.pdf
    • https://lewopinug265064894.files.wordpress.com/2020/06/92715284228.pdf
    • https://duroxonizisi.files.wordpress.com/2020/06/rinatexenipexip.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_off00006741.bin
4c0d49e52221bf4c79080617cf89b89c4732188505124c2c3fc6185f8909c414		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6741 10932 bytes

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