Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e074271219b9cea…

MALICIOUS

PDF

48.2 KB Created: 2020-08-01 13:45:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4eaedc9e5fdf52df7ca2636c0fdc3471 SHA-1: a56140d71a6157debd59d552b74061f875718d09 SHA-256: 7e074271219b9cead5f7032245ed85cd362e4aaacc751b40b86a3f307c71c710
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=of+346+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0431/6643/3435/files/nutinofidobovoles.pdf'. The document body is heavily obfuscated but contains references to the malicious URL, suggesting a lure to a malicious site.

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=of+346+pdf
    • http://files.daphnesdetails.com/uploads/1/3/1/3/131398351/modipa_sefamilif_femagekivuw_xurofumolikab.pdf
    • http://files.babymoonshine.com/uploads/1/3/0/7/130776536/32a183060.pdf
    • http://files.martinlutz-music.dk/uploads/1/3/0/7/130740231/nowogobun-pesedigefiruzug-gilovid-putawavom.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/nutinofidobovoles.pdf
    • https://cdn.shopify.com/s/files/1/0434/9516/2022/files/11866043274.pdf
    • https://cdn.shopify.com/s/files/1/0430/6203/4589/files/tivasowemakusamorizeva.pdf
    • https://cdn.shopify.com/s/files/1/0433/2666/8952/files/89915343991.pdf
    • https://cdn.shopify.com/s/files/1/0429/2280/3366/files/zobeginof.pdf
    • https://cdn.shopify.com/s/files/1/0429/6353/3977/files/wewema.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/51687419407.pdf
    • https://cdn.shopify.com/s/files/1/0435/5552/0667/files/33308474265.pdf
    • https://cdn.shopify.com/s/files/1/0438/4381/3538/files/81028633312.pdf
    • https://cdn.shopify.com/s/files/1/0435/2190/0696/files/ranij.pdf
    • https://cdn.shopify.com/s/files/1/0436/1358/5566/files/zukewejalarobirogefimo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8368/5270/files/madakufipaximudenenofiva.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/1/0434/9516/2022/fil

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007fc8.bin
b1f291b147bbc56338c0abb440851fe2563ed9e710ef9f28d2fab90bcfa5d0d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC8 4952 bytes
font_01_sfnt_off000090c3.bin
8dd3095f373842bdf7c382f326899707cb326f85cfaccbe9eb6a4441fbcd5b70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90C3 10412 bytes

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