Malicious PDF — malware analysis report

Static analysis result for SHA-256 d30270266cc93f91…

MALICIOUS

PDF

42.8 KB Created: 2020-08-30 13:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46a296c42925e0f596241ac7a5898a75 SHA-1: 8892483f0873cc4aee0ea5384ef0496485f8abe7 SHA-256: d30270266cc93f91ef6a46598bdc919d02da25a189202f945308f6df6a0a03f6
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=lg+wm3370hwa+manual'. This URL is presented within the document body, suggesting a social engineering lure, likely to trick users into believing they are accessing a legitimate manual. The presence of a PDF link farm heuristic further indicates a pattern of distributing malicious links.

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/wix?keyword=lg+wm3370hwa+manual
    • https://static.usrfiles.com/ugd/dc8a8e_f7e29938110b48bcbb7f5b098275547b.pdf
    • https://static.usrfiles.com/ugd/b8c837_12857275daa547f985b9f3a9a749c05e.pdf
    • https://static.usrfiles.com/ugd/576447_87acf43aa30b4c0688c33d26ebab8075.pdf
    • https://cdn.shopify.com/s/files/1/0432/8295/6443/files/konof.pdf
    • https://cdn.shopify.com/s/files/1/0439/3664/5275/files/lelexefutesazuxiwenutig.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8910/files/wipebazuvirejevexe.pdf
    • https://cdn.shopify.com/s/files/1/0431/5784/8224/files/form_ssa-_1099-_sm.pdf
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/95472535709.pdf
    • https://cdn.shopify.com/s/files/1/0438/3804/6365/files/business_plan_restaurant.pdf
    • https://cdn.shopify.com/s/files/1/0433/5091/7269/files/zamarokujawepetawezem.pdf
    • https://cdn.shopify.com/s/files/1/0437/7473/8593/files/33693404902.pdf
    • https://cdn.shopify.com/s/files/1/0429/5481/7690/files/bijanowusomesamufexipat.pdf
    • https://cdn.shopify.com/s/files/1/0436/2059/7923/files/47083588812.pdf
    • https://cdn.shopify.com/s/files/1/0435/8370/1151/files/lasebopa.pdf
    • https://cdn.shopify.com/s/files/1/0431/8471/7979/files/gelesa.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_off000069e0.bin
374c85312e58c0a3daffcd50fc103a37da66fd5e6efc1e065861e181365c1eb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69E0 5244 bytes
font_01_sfnt_off00007bb7.bin
891ba0e3f74f80e59dbc2af69f776ac40ceea589aa83bfe655a38dde24807d9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB7 10288 bytes

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