Malicious PDF — malware analysis report

Static analysis result for SHA-256 79f2b23f03edd68f…

MALICIOUS

PDF

86.5 KB Created: 2020-08-30 16:59:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 687e5855f2b9769049cc02fb6a3d6173 SHA-1: b5fb66fd2ec61f73e63f9d9749f332f87744014b SHA-256: 79f2b23f03edd68f2833fb42700fa6882575c8bea1938dbcc57cbbec20bc7d7b
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains text that appears to be a spiritual book title, suggesting a lure. The presence of numerous external PDF links, many pointing to Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the final 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/wix?keyword=evangelho+segundo+o+espiritismo+de+hoje
    • https://cdn.shopify.com/s/files/1/0437/3001/0273/files/24006044733.pdf
    • https://cdn.shopify.com/s/files/1/0430/6491/8165/files/doronidoxesebeza.pdf
    • https://cdn.shopify.com/s/files/1/0428/6542/6598/files/animal_crossing_title_theme_piano_sheet_music.pdf
    • https://static.usrfiles.com/ugd/b8c837_a76cb41a89294e1ebad1e8a4502a6ebb.pdf
    • https://static.usrfiles.com/ugd/4b7290_d2791b7562d24509869f068c03d26945.pdf
    • https://static.usrfiles.com/ugd/b8c837_a35a52cb868b4ccfbcf705065ad8575a.pdf
    • https://static.usrfiles.com/ugd/badafb_56a169dd4ea142d5a3d689262c656ac3.pdf
    • https://static.usrfiles.com/ugd/b8c837_fe4d156699cb4103ae10e8fb5e5bc39a.pdf
    • https://static.usrfiles.com/ugd/b914b5_b83c66dfd36b4b0f8685e72d6360458a.pdf
    • https://static.usrfiles.com/ugd/b8c837_3660a2cb9bf04d14a9ef227cb72b6c90.pdf
    • https://static.usrfiles.com/ugd/b42fd6_468141be3f4647c1a7542e17b0b2321b.pdf
    • https://cdn.shopify.com/s/files/1/0432/6401/6539/files/babbitt_sinclair_lewis_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0431/0954/8188/files/pixizuxa.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010549.bin
7f463f68cc3e17e63e2ad6d368dfdb18280540881bfc79dce487561b0d9be548		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10549 5348 bytes
font_01_sfnt_off00011753.bin
f00f90df62519a09bfeb2b6ce85cb521e3e7126b0d15a2e56972ba8e405ae50b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11753 12604 bytes
font_02_sfnt_off00013d18.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13D18 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.