Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac29a68cf2622915…

MALICIOUS

PDF

47.0 KB Created: 2020-04-06 05:52:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 472f11dec2dabfe633cd01f45a93a3e8 SHA-1: c897ba712cff706304bb89ecc61e8ab779a871ff SHA-256: ac29a68cf2622915ebd91277c9a1706c81bd337579e70773c7302d854d98a846
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The embedded URLs and the document body, though partially obfuscated, reinforce the presence of these external links. The primary purpose appears to be directing users to a network of linked documents, potentially for malicious distribution or to artificially inflate search engine rankings.

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://namleps.com/uploads/1/3/0/6/130640174/130640174.html#what+is+the+significance+of+traditional+african+music
    • http://shopnowgifts.com/uploads/1/3/0/2/130289735/xepovubekege.pdf
    • http://edwardchoo.me/uploads/1/3/0/8/130874010/8859332.pdf
    • http://lab1010.net/uploads/1/3/0/7/130739404/jawele.pdf
    • http://londonhottubhire.com/uploads/1/3/0/6/130640111/mujulinimo.pdf
    • http://dotbuydotdesign.com/uploads/1/3/0/4/130489038/gewerinagetep-jakiteki.pdf
    • http://foodchicks.com/uploads/1/3/0/3/130379463/a3c8a.pdf
    • http://underdogfit.com/uploads/1/3/0/6/130620970/xujaminasibap.pdf
    • http://fearlessvoices.org/uploads/1/3/0/9/130969515/xexewi.pdf
    • http://flyinghighcafe.com/uploads/1/3/0/7/130740490/kegukunizifuv.pdf
    • http://culturephysics.consulting/uploads/1/3/0/7/130739618/baxifusapijo.pdf
    • http://kathiekane.com/uploads/1/3/0/6/130640009/mijuvoj-tipukakof-kexikid.pdf
    • http://majesticmousepads.com/uploads/1/3/1/3/131384516/sesexirarubajit-zotegalunukez.pdf
    • http://zjiajiaz.com/uploads/1/3/0/5/130589191/jibep-betiranibumesiv-tabekudusofi-fofarexekexi.pdf
    • http://rockiesshrine.com/uploads/1/3/0/2/130291702/35428768b574.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_off00008ef4.bin
45e3d24f74c49c74a65f13774c8e411df626915d690167eeb3c264981004d8e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EF4 8220 bytes

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