Malicious PDF — malware analysis report

Static analysis result for SHA-256 de10e7b844645987…

MALICIOUS

PDF

38.4 KB Created: 2020-08-31 10:45:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77c8ec11fb1577c28fbe695a6dc8725c SHA-1: 8b60d1e4e8ab6f82b0e569ccac5438ebcf580028 SHA-256: de10e7b8446459877ddb11a32e8ba063a0041544dff24f7d6c43b5e02f0e5670
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one prominent link pointing to a redirector URL. The document body, though heavily obfuscated, contains text suggesting a lure related to "Elections Canada training information". The primary malicious URL is ttraff.com, which is known to host redirectors. The presence of numerous Shopify links suggests an attempt to blend malicious content with seemingly benign resources.

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/wix?keyword=elections+canada+training+information
    • https://cdn.shopify.com/s/files/1/0440/7151/8373/files/75691383679.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/master_of_money_sunday_adelaja.pdf
    • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/lolamudif.pdf
    • https://cdn.shopify.com/s/files/1/0432/1869/8400/files/broiler_farming_in_nigeria.pdf
    • https://cdn.shopify.com/s/files/1/0440/1194/6134/files/hanalei_bay_surf_report_magicseaweed.pdf
    • https://cdn.shopify.com/s/files/1/0430/1537/2949/files/20274537120.pdf
    • https://cdn.shopify.com/s/files/1/0436/9927/3882/files/java_lang_null_pointer_exception_minecraft.pdf
    • https://static.usrfiles.com/ugd/b8c837_26cbeba4ddf04da9969db20fa7e30476.pdf
    • https://static.usrfiles.com/ugd/b8c837_54b9d9deb186495c844334894d34d319.pdf
    • https://static.usrfiles.com/ugd/6350c7_f6dcfcc8b2374ff8a1c4ec09c982061b.pdf
    • https://cdn.shopify.com/s/files/1/0432/7142/2102/files/33349722359.pdf
    • https://cdn.shopify.com/s/files/1/0435/6967/6451/files/transport_business_opportunities_in_south_africa.pdf
    • https://cdn.shopify.com/s/files/1/0437/8106/2813/files/the_art_of_war_for_managers_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.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_off0000584b.bin
5efecbeb25f6ec0e0824fa8fe4d06b46f61b38c8ea60359f7c85dedd4ddcb7df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x584B 5296 bytes
font_01_sfnt_off00006a33.bin
813105eaf54e2548d2c698a77b9d14be864d4f56ebd82ce4fbbbe5f6dac175ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A33 10068 bytes

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