Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a042e0c2b4f448d…

MALICIOUS

PDF

36.1 KB Created: 2020-03-30 05:17:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8cb3cad2fb461d72520cfaa4d6fecb1c SHA-1: c4e96e910a5b543bfe88097fc91f477ed204965c SHA-256: 9a042e0c2b4f448d7983fc46de7d0baef440575e0a34f8ae782b4aa034b41206
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. The primary purpose appears to be to create a link farm, potentially for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body is heavily obfuscated, limiting deeper analysis of the immediate content's intent.

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://74-123-78-29.mgwnet.com/uploads/1/3/0/5/130550879/130550879.html#cuales+son+los+simbolos+mas+usados+en+los+mapas
    • http://in2stoneandpaving.net/uploads/1/3/0/5/130539130/ccbd32f0.pdf
    • http://wyomc.com/uploads/1/3/0/8/130814176/rovaguziboramifiwubo.pdf
    • http://vrmp-viprequiredmeetupprevention2010.org/uploads/1/3/0/8/130813841/kawajoten.pdf
    • http://v-alltech.com/uploads/1/3/0/4/130490461/6d7414f.pdf
    • http://100wwclickingcounty.org/uploads/1/3/1/3/131383332/bowijogipaj_zaribukuvira_mavanebujijogo.pdf
    • http://berenson.us/uploads/1/3/0/4/130483577/mekusoxafidobixoju.pdf
    • http://derekyzhou.com/uploads/1/3/0/7/130774970/2779722.pdf
    • http://magnetotherapyacupunctureclinic.com/uploads/1/3/0/4/130488370/juxaz.pdf
    • http://taxauctiontitle.com/uploads/1/3/1/4/131438175/8058823.pdf
    • http://myears.net/uploads/1/3/0/2/130287942/55960.pdf
    • http://judgeammendola.com/uploads/1/3/0/5/130550697/boxumodo-nasako-sixoranu-tipukaguloxemaj.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_off000065f2.bin
7a9cd51202c986c36bb2218a5a52799315bf2d8c73418f92b5f36d008b6c8844		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65F2 7532 bytes

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