Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc3d71354034265d…

MALICIOUS

PDF

76.0 KB Created: 2020-08-22 01:45:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 476cdbdbea88ec7e197dc09dd37fedb5 SHA-1: f4be13317c8ab58de8b3034b6783b9d023938059 SHA-256: cc3d71354034265d5367fcd559e12c46297bfe1ecfddd88217dbaa9ae49c459d
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Candy Crush Saga Hack 2019 Android' and includes a link to a known malicious redirector. The document body also contains numerous links to other PDFs hosted on Shopify, suggesting a link farm for SEO poisoning. The primary malicious URL is https://ttraff.ru/pify?keyword=candy+crush+saga+hack+2019+android, which is likely used to redirect users to further malicious content.

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=candy+crush+saga+hack+2019+android
    • http://files.rcoathletics.com/uploads/1/3/0/9/130969046/vagutanop_vibogudifojed.pdf
    • http://files.icpel.org/uploads/1/3/0/7/130739227/sejebalubugur.pdf
    • http://vinajomaf.wilsonhypnotherapy.com/uploads/1/3/1/4/131437308/rabiba-vejififawe.pdf
    • https://cdn.shopify.com/s/files/1/0430/0875/3827/files/202169441.pdf
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/doguvadid.pdf
    • https://cdn.shopify.com/s/files/1/0429/3391/1705/files/danafubefugirovozevivuba.pdf
    • https://cdn.shopify.com/s/files/1/0436/9167/1705/files/xusonajo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/7002345012.pdf
    • https://cdn.shopify.com/s/files/1/0431/0944/9884/files/xobome.pdf
    • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/rigunurugekuromokufal.pdf
    • https://cdn.shopify.com/s/files/1/0461/4337/3480/files/alcides_costa_vaz.pdf
    • https://cdn.shopify.com/s/files/1/0430/8775/7461/files/37016948289.pdf
    • https://cdn.shopify.com/s/files/1/0439/4539/4331/files/fuwezave.pdf
    • https://cdn.shopify.com/s/files/1/0428/1368/5927/files/76502248969.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cc33.bin
7a302e37a555a6a04b75883855a4fda39fed30e6b7ad1d0f809cdcc14cda2d46		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC33 5724 bytes
font_01_sfnt_off0000dfa5.bin
a1c68180eae955d710b1f59d89b7b5bb1f22246194deffa7b9c3298859733f9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA5 2140 bytes
font_02_sfnt_off0000e97d.bin
8f4625f63892d4e0017b331cb7771fa559d14fa65c98894bd2faf036873a51a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE97D 10480 bytes
font_03_sfnt_off00010cab.bin
1d4ebd634e9a4b1afc3ba2e660f7abdbad7ecfb3c20c2fb0daf688bec4f9a1d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CAB 16232 bytes

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