Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3cccee602733141…

MALICIOUS

PDF

43.2 KB Created: 2020-08-14 04:55:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 169aa6fe582446cd0ea0689d72f92ea0 SHA-1: ac3a0942e229c0aff2f4a7c9116be6276c2be1e6 SHA-256: c3cccee602733141c1476ee5aaff06e53ffeb802a5fd45f6e2803e7720bb3747
128 Risk Score

Malware Insights

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

The PDF file contains a lure for 'My little pony coloring worksheets' and embeds multiple links. One of these links, 'https://ttraff.ru/pify?keyword=my+little+pony+coloring+worksheets', is identified as a malicious redirector. The document body also contains numerous other links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation or distribution. The presence of a malicious redirector indicates an attempt to lead the user to a harmful site.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=my+little+pony+coloring+worksheets
    • http://ramagogi.themaridor.com/uploads/1/3/0/7/130740044/luzol-lekutuketeki.pdf
    • http://files.watermediabyhughbeykirch.com/uploads/1/3/1/6/131607575/1111478.pdf
    • http://files.seattleubap.org/uploads/1/3/2/8/132814050/56615f3eb5f36a.pdf
    • http://xedoxuzap.worldpairsangling.com/uploads/1/3/0/7/130776716/gunaj.pdf
    • http://files.dandpvirginhaircompany.com/uploads/1/3/0/7/130776158/jadufefu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/49660322598.pdf
    • https://cdn.shopify.com/s/files/1/0433/9603/8812/files/zofanukuwikadet.pdf
    • https://cdn.shopify.com/s/files/1/0431/7141/4173/files/94122496046.pdf
    • https://cdn.shopify.com/s/files/1/0436/4068/4697/files/84986481592.pdf
    • https://cdn.shopify.com/s/files/1/0432/4950/0328/files/nolikagixajowumerufutoz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9763/7535/files/rigemisaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/8170/3319/files/82524950000.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/nevipetelebidefimod.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8487/files/63345589419.pdf
    • https://cdn.shopify.com/s/files/1/0438/7930/1275/files/chris_rock_bigger_and_blacker.pdf
    • https://cdn.shopify.com/s/files/1/0434/1376/6293/files/fepate.pdf
    • https://cdn.shopify.com/s/files/1/0436/4953/2057/files/blur_spell_5e.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_off00006ad9.bin
2051bd55bf59a9119ca1972753f687a69d6ad1c232d84a10bd4b43be64ae849c
pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD9 5248 bytes
font_01_sfnt_off00007cd1.bin
14dd969dfa3b728665241bc4b003ac2835fff1aa86a98cba5cdd86c8fa34d2f8
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD1 10152 bytes