Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e31a9ee317c794d…

MALICIOUS

PDF

41.5 KB Created: 2020-08-15 08:13:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 51cdaf8691698df0a21d76c34fc50235 SHA-1: 1ee42fccc2d9089a10ae30c5db96de77ba297644 SHA-256: 1e31a9ee317c794d4b184595dd16e4d2584e231ed95ef3ab51b1ecb760e2f0b7
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=toyota+corolla+2019+car+manual'. The document body, though partially corrupted, also contains this URL and other Shopify links, suggesting a link farm or redirection scheme. The primary intent appears to be directing users to malicious infrastructure via these links.

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.com/pify?keyword=toyota+corolla+2019+car+manual
    • http://zidaseto.theadvicelady.com/uploads/1/3/1/6/131606490/taguleroli.pdf
    • http://zutodo.crathesdrumoakdurriscc.org/uploads/1/3/1/3/131383483/1950274.pdf
    • http://mivagomet.aishaperez.com/uploads/1/3/0/7/130775734/vixizukumobi.pdf
    • https://cdn.shopify.com/s/files/1/0430/1615/9395/files/62007050455.pdf
    • https://cdn.shopify.com/s/files/1/0427/7446/2631/files/gopoba.pdf
    • https://cdn.shopify.com/s/files/1/0434/5672/5159/files/rukuvule.pdf
    • https://cdn.shopify.com/s/files/1/0445/3256/4132/files/sodium_phosphate_dibasic_msds.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6285/files/nupokulusuzenu.pdf
    • https://cdn.shopify.com/s/files/1/0430/9896/4117/files/examples_of_alternative_assessment.pdf
    • https://cdn.shopify.com/s/files/1/0433/6356/5727/files/46949632485.pdf
    • https://cdn.shopify.com/s/files/1/0434/0485/3406/files/62571957409.pdf
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/windows_10_host_file.pdf
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/xidujoro.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_off0000645e.bin
e0b131d959cd00f0b068fa86127c0b248fc74b7888cbbf885f710edc0be83064		 pdf-font-stream PDF embedded font (sfnt) at offset 0x645E 5300 bytes
font_01_sfnt_off00007656.bin
6dec354dfa3e135fb1881a5ab947d647215dd08b07bc5737c13627a295f0fce5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7656 10280 bytes

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