Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1961b06131d2b29…

MALICIOUS

PDF

39.1 KB Created: 2020-09-04 11:23:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6145965045eb0368d886c267e0368f7b SHA-1: 15d896669312fe59d6f8c684db02586300e06126 SHA-256: e1961b06131d2b29ca0a13dd6c18b727065800befdee031493e4e6b663871c0f
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating a link to a known malicious redirector. Additionally, PDF_SEO_LINK_FARM indicates a mass external PDF link farm. The primary malicious URL identified is https://ttraff.me/wix?keyword=sherawali+mata+ji+ke+bhajan. The document body, though heavily obfuscated, contains references to this URL, suggesting it's the intended destination. The file's purpose appears to be redirecting users to potentially harmful 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.me/wix?keyword=sherawali+mata+ji+ke+bhajan
    • https://cdn.shopify
    • https://static.usrfiles.com/ugd/fef373_443077928578461592f776eb9f88c60d.pdf
    • https://static.usrfiles.com/ugd/2c7c49_6b60ca2f23884a419a22e4172b79553e.pdf
    • https://static.usrfiles.com/ugd/b50c55_0d680601fcaa4a6f9c25c1115bdda02c.pdf
    • https://static.usrfiles.com/ugd/b8c837_24f7d0fef4b5417e9c7205c9f62d74ad.pdf
    • https://cdn.shopify.com/s/files/1/0436/6227/8809/files/vozukenuxasirek.pdf
    • https://cdn.shopify.com/s/files/1/0438/5849/3600/files/rewanchal_express_bhopal_platform_no.pdf
    • https://static.usrfiles.com/ugd/9904c2_cc937bd1aea340b1b2d6ff2136634783.pdf
    • https://static.usrfiles.com/ugd/370b54_1f834bb419f74490affb3617f33a5ac6.pdf
    • https://cdn.shopify.com/s/files/1/0433/8309/5452/files/31686905896.pdf
    • https://cdn.shopify.com/s/files/1/0434/5495/5672/files/command_and_conquer_generals_zero_hour_download.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_off00005209.bin
f2f32f8b2e15ea4532272a201bd85a77b1ae6ad74a753e51446f6c8050fc4a5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5209 5220 bytes
font_01_sfnt_off000063b3.bin
cf804ac229819626f243e583fa755ccdedfa7a6d422ebe9cd98ac78e68772e8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63B3 14168 bytes

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