Malicious PDF — malware analysis report

Static analysis result for SHA-256 d96ddcdae57d77a7…

MALICIOUS

PDF

34.5 KB Created: 2020-04-14 09:58:46 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9b6632ca003a67b77f2e13860668699a SHA-1: 2d67d92c8cd805fc765754a1ebb89f0d73f1d168 SHA-256: d96ddcdae57d77a755babdfbbbd8fa51530a6025d20effd5b72288d7e4545f17
92 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The 'PDF_SEO_LINK_FARM' heuristic firing indicates a high volume of such links, suggesting an attempt to manipulate search results or distribute malware. The document body, though truncated, mentions 'Annihilation parents guide imdb', likely a lure to entice users to click on the embedded malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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://clickinteriordesign.net/uploads/1/3/0/5/130551323/130551323.html#annihilation+parents+guide+imdb
    • http://mojavecrossingcasino.com/uploads/1/3/0/3/130313494/4b0e9.pdf
    • http://courtneypickell.com/uploads/1/3/0/3/130313319/zuzevuweguni-wimivagonowuf.pdf
    • http://rockfordauctioncentre.com/uploads/1/3/1/4/131437619/bezum-vajaxafole-zakiniravu-tefodu.pdf
    • http://metroeastpastors.org/uploads/1/3/0/5/130551311/pamoz.pdf
    • http://purewr.com/uploads/1/3/1/3/131380944/9558822.pdf
    • http://brewsterboards.com/uploads/1/3/0/2/130289274/fisajiduve.pdf
    • http://metroeastpastors.org/uploads/1/3/0/5/130
    • 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_off00005eb4.bin
ee0eb1cccae9fd4444f9cd54084b2e9def33e2891c4ee99291ae6d99336a9a09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB4 8380 bytes

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