Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8001a6b86aae3a7…

MALICIOUS

PDF

42.3 KB Created: 2020-08-09 04:57:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3da86d2f15918fd5f64fb6abebcc846e SHA-1: efbd68f0a3cdd283f2add302bfe3a08879c617f0 SHA-256: b8001a6b86aae3a72a67974ad1b871c10aa43b3c3d10822c5686b2f9eb2df804
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 firing for a malicious redirector. The primary link directs to 'ttraff.com', which is known malicious infrastructure. The document body, though heavily obfuscated, contains the same URL, suggesting it is the intended lure. The presence of many Shopify links indicates a link farm strategy, likely to obscure the malicious destination.

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=les+outils+de+l+argumentation+les+liens+logiques+pdf
    • http://xusixe.canterburynu.org/uploads/1/3/2/6/132681670/e7f2c.pdf
    • http://files.kinbeautyrituals.com/uploads/1/3/1/6/131607232/361cdd6748559.pdf
    • http://files.queencenterutah.org/uploads/1/3/1/3/131398286/pedenafejavuda-wodudo-boxusetoga.pdf
    • http://files.worldscreenculture.tv/uploads/1/3/1/8/131871864/kalijob.pdf
    • http://files.globaldancearts.org/uploads/1/3/1/4/131437474/1507549.pdf
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/sijulebojude.pdf
    • https://cdn.shopify.com/s/files/1/0432/5936/3488/files/variety_rice_recipes_in_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0435/5869/9159/files/aimbot_shell_shockers.pdf
    • https://cdn.shopify.com/s/files/1/0437/1320/0282/files/zajejotubi.pdf
    • https://cdn.shopify.com/s/files/1/0437/1732/9064/files/febosaguvixikunep.pdf
    • https://cdn.shopify.com/s/files/1/0434/6727/6454/files/keremusonopixu.pdf
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/zibagilo.pdf
    • https://cdn.shopify.com/s/files/1/0434/7065/1542/files/casio_f_91w_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/4978/8327/files/exercices_adjectifs_demonstratifs.pdf
    • https://cdn.shopify.com/s/files/1/0437/7876/9045/files/25286403838.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/15355566501.pdf
    • https://cdn.shopify.com/s/files/1/0427/9920/2467/files/jakepivol.pdf
    • https://cdn.shopify.com/s/files/1/0434/6799/7344/files/jotimazixiposejovewo.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/1/0427/9920/2467/files/jak

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006316.bin
812b162c9233d42723671b6f2b6a7aa15d979ec5d78cf3c5addd9b991c5151c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6316 5428 bytes
font_01_sfnt_off00007570.bin
612b932c6ac965aabe4d64dfc713e59a77b7c3afda4117ccdbac59587bb00776		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7570 11696 bytes

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