Malicious PDF — malware analysis report

Static analysis result for SHA-256 565a2a46384721e4…

MALICIOUS

PDF

40.2 KB Created: 2020-08-25 00:21:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 48a7fc8d24bc30df53c714ba4fc48e3b SHA-1: 532541c539fa573229b4ed0db07f1a376a5f59dc SHA-256: 565a2a46384721e4ae1d2ee2b02a424033e2f4e95bb82f312f341cf456538153
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.com/pify?keyword=chess+game+videos+free'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the first identified link being 'https://cdn.shopify.com/s/files/1/0438/3942/2624/files/2016_ford_f150_owners_manual.pdf'. The document body, though heavily obfuscated, also contains these URLs, suggesting an attempt to direct users to potentially malicious content under the guise of providing information.

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=chess+game+videos+free
    • http://files.ilovereborns.com/uploads/1/3/1/3/131381782/4875279.pdf
    • http://files.animatorssketchclub.com/uploads/1/3/1/8/131871642/kejovatobarotibex.pdf
    • http://files.eisenhowerchoirs.com/uploads/1/3/1/0/131070792/21822ea73f65def.pdf
    • https://cdn.shopify.com/s/files/1/0438/3942/2624/files/2016_ford_f150_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/5173/6488/files/75588339680.pdf
    • https://cdn.shopify.com/s/files/1/0434/9050/8960/files/65033545587.pdf
    • https://cdn.shopify.com/s/files/1/0465/5097/4614/files/levels_of_biological_organization_worksheet_answers.pdf
    • https://cdn.shopify.com/s/files/1/0435/3009/2712/files/diletijuvusazetama.pdf
    • https://cdn.shopify.com/s/files/1/0432/2010/7424/files/48115248934.pdf
    • https://cdn.shopify.com/s/files/1/0432/6513/0658/files/gonirinijaro.pdf
    • https://cdn.shopify.com/s/files/1/0430/0292/1111/files/61071903563.pdf
    • https://cdn.shopify.com/s/files/1/0430/2517/0595/files/ligilaserodufiboduriz.pdf
    • https://cdn.shopify.com/s/files/1/0439/9579/1518/files/aiag_cqi_9.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_off00005e2a.bin
0ba5e18d08e083a68e1ecdf61d56c1d1561c1296feaf6a324bcdaeb39c4d171d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E2A 5256 bytes
font_01_sfnt_off00006fef.bin
f01ced01ea430ea314ba14cd71b3b516ac44ccab5cc241dd887b6fcf893aeef2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FEF 10752 bytes

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