Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb372ade7c8a186d…

MALICIOUS

PDF

45.5 KB Created: 2020-07-24 07:09:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c60a98461ba666eea8443c93561d89b SHA-1: f8c24202abcf8fda4a3d573c1b431d8b13f037a9 SHA-256: fb372ade7c8a186d13c6baaf22fdf472fdd3ad505aa62d47a017bfccd9fc6df6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links redirects to a known malicious domain, ttraff.ru. This suggests a social engineering attack aimed at directing users to malicious content. The document body, though heavily obfuscated, contains text related to 'Ways to live forever book pdf', likely a lure.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.ru/wb?keyword=ways%20to%20live%20forever%20book%20pdf
    • http://files.motionfuels-arkansas.com/uploads/1/3/2/3/132303329/kovekepa_jeziwe_zivunadakefoga_zanajadavofeg.pdf
    • http://files.naturehouseaz.com/uploads/1/3/1/3/131380756/400e85fd6035.pdf
    • http://files.rivermansioncelebrations.co.uk/uploads/1/3/1/0/131070940/vasitapuxige.pdf
    • http://files.eguastella.com/uploads/1/3/1/8/131871690/4656610.pdf
    • http://files.eguastell
    • https://cdn.shopify.com/s/files/1/0433/7251/1386/files/nekojolajelujobuvux.pdf
    • https://cdn.shopify.com/s/files/1/0431/5129/4619/files/gumukagelura.pdf
    • https://cdn.shopify.com/s/files/1/0427/8134/3903/files/99930985328.pdf
    • https://cdn.shopify.com/s/files/1/0432/4897/6027/files/66089977971.pdf
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/45475406379.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5708/files/wefunopuwaronodo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9229/6359/files/misovifu.pdf
    • https://cdn.shopify.com/s/files/1/0440/6486/6469/files/tukisopalo.pdf
    • https://cdn.shopify.com/s/files/1/0440/3278/6597/files/66580430092.pdf
    • https://cdn.shopify.com/s/files/1/0429/3653/3151/files/1482749499.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/86650535650.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdf
    • https://cdn.shopify.com/s/files/1/0431/9071/4532/files/tefiguwaro.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000748c.bin
6a17dcc52efbb52fb70c3136a063d3e71a13d2722cf63a3964b05371de0be3cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x748C 5096 bytes
font_01_sfnt_off00008607.bin
f979aa950df6dfe71fb5cae247ea94ded51037d72ce5a400c4f367526679d0cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8607 10420 bytes

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