Malicious PDF — malware analysis report

Static analysis result for SHA-256 3758ea0c8b3edf01…

MALICIOUS

PDF

41.7 KB Created: 2020-08-20 22:09:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 917666c94d7809a537da9951437aff4d SHA-1: ad400b865256ce1faa200a38c76cc09346c5f8d6 SHA-256: 3758ea0c8b3edf012dc1847e2c4c3a0eb54f33570c3d4f1195dd5ed2a10fe0c7
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests the document is part of a link farm or SEO manipulation scheme, potentially designed to lead users to malicious content or phishing sites. No scripts were extracted, limiting the analysis of direct payload delivery.

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/pify?keyword=slider+bootstrap+template+free
    • http://woketapud.mummydoctorlife.com/uploads/1/3/1/3/131398252/dopobonela.pdf
    • https://cdn.shopify.com/s/files/1/0437/2388/2645/files/ye_bhagwa_rang_song_ming.pdf
    • https://cdn.shopify.com/s/files/1/0434/6383/5814/files/40715886514.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32867625585.pdf
    • https://cdn.shopify.com/s/files/1/0439/8972/9438/files/bise_lahore_9th_class_gazette_2020.pdf
    • https://cdn.shopify.com/s/files/1/0432/7420/7387/files/83636785432.pdf
    • https://cdn.shopify.com/s/files/1/0437/1555/9573/files/senezitelojanoxurexewu.pdf
    • https://cdn.shopify.com/s/files/1/0438/8945/9368/files/railway_assistant_loco_pilot_syllabus_2020.pdf
    • https://cdn.shopify.com/s/files/1/0432/1204/6495/files/gufadalurorikugikat.pdf
    • https://cdn.shopify.com/s/files/1/0435/7105/2707/files/pibine.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_off00006577.bin
799182ae7313b71c267683cc05a7a3bc66724967cb09ce882d3c809cb13a9174		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6577 5428 bytes
font_01_sfnt_off000077c5.bin
5927419534285571a61915c1eecb478cabbbfbcc13d7ae9297b855069fd76cba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77C5 10460 bytes

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