Malicious PDF — malware analysis report

Static analysis result for SHA-256 4babc5fccf5aa95b…

MALICIOUS

PDF

45.4 KB Created: 2020-08-02 17:21:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56c7b476aa171bc2be34bb8be51ce3e0 SHA-1: 77c35fb18411ab75dd7c6efc01b8682761610323 SHA-256: 4babc5fccf5aa95b15105aec9dd2d87aca89b1d721bc15e874088750903976f9
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text and embedded URLs suggest a lure related to 'watchop fairy tail episode' to entice users to click the malicious link. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which point to Shopify domains, likely for SEO manipulation or to host further malicious content.

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.cc/pify?keyword=watchop+fairy+tail+episode
    • http://files.janinagoldberg.com/uploads/1/3/1/8/131871614/1028488.pdf
    • http://files.kinderphotos.com.au/uploads/1/3/2/7/132712282/a46766648.pdf
    • http://files.markmccaigbooks.com/uploads/1/3/0/9/130968921/vumedenusegupojozedu.pdf
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/kasimawitozavonopesim.pdf
    • https://cdn.shopify.com/s/files/1/0435/1829/6228/files/63774016011.pdf
    • https://cdn.shopify.com/s/files/1/0429/2942/2499/files/vefiperogajulizexuripujat.pdf
    • https://cdn.shopify.com/s/files/1/0434/1035/8439/files/25348535531.pdf
    • https://cdn.shopify.com/s/files/1/0429/8555/4073/files/30503255724.pdf
    • https://cdn.shopify.com/s/files/1/0436/9743/8875/files/21136041532.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84770620138.pdf
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/heber_az_weather.pdf
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/disababokawikefele.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
    • https://cdn.shopify.com/s/files/1/0435/3549/9418/files/vifazirajarilomojamato.pdf
    • https://cdn.shopify.com/s/files/1/0435/1416/7450/files/momagitotegokevaxan.pdf
    • https://cdn.shopify.com/s/files/1/0440/3612/8933/files/ruvanogagixexorevok.pdf
    • https://cdn.shopify.com/s/files/1/0433/3273/1030/files/tipixurekij.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/
    • https://cdn.shopify.com/s/files/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007269.bin
edbd9987f76b2a200cdf2d478f3282e57773431bca3b358d9b5220bfe8446c6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 5360 bytes
font_01_sfnt_off000084b6.bin
452b3a3b9ca17e50dfb515309a9a02681164f68370853154e4944d46a83ed84a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84B6 10392 bytes

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