Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d0e782afc176d45…

MALICIOUS

PDF

67.9 KB Created: 2020-09-10 13:00:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1183f2c3e0d9b93fe473ee8453ffbf47 SHA-1: 5805fc627d2176274aab9c747c90b466217a756c SHA-256: 1d0e782afc176d45c8f5367972053b26e8de34b0542f2a7c4514bf879fc2c2c1
128 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.me, which is disguised as a guide. The document body, though heavily obfuscated, contains the text 'Bandos solo guide 2017' and the malicious URL. The PDF also hosts a large number of external links, many pointing to static.usrfiles.com, suggesting a link farm or redirection strategy. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=bandos+solo+guide+2017
    • http://pazum.trangallan.com/uploads/1/3/1/6/131606339/ffdb97a63608.pdf
    • http://files.thomasfmadden.com/uploads/1/3/1/4/131438316/medumi.pdf
    • https://static.usrfiles.com/ugd/fe83c3_fa4fd95050794b7db3af5343023c7f8b.pdf
    • https://static.usrfiles.com/ugd/15ebe2_46e5826a96a34b3488d30d8c92e99f18.pdf
    • https://static.usrfiles.com/ugd/0d9a50_2901f4544bd540a4927ebe0c6cd8c08c.pdf
    • https://static.usrfiles.com/ugd/cece23_fd5c25a501f74fb49b4ae72d700dc69a.pdf
    • https://static.usrfiles.com/ugd/f241d9_6b8f42fbb1db4833bdfbcafc0b16f55b.pdf
    • https://static.usrfiles.com/ugd/dcbeda_d250de6cbe0446e3acb34e652d680b18.pdf
    • https://static.usrfiles.com/ugd/2486b5_62ee9470bcd24a44b3468e03e4ef6f6d.pdf
    • https://cdn.shopify.com/s/files/1/0443/2792/7964/files/lolinipujuduvegotoruke.pdf
    • https://cdn.shopify.com/s/files/1/0435/1298/7802/files/wupunipunakasawafuv.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_off0000c276.bin
8e85576cca62e17155a54bf22c09622d8b821a6eda421bc260f9278bc45c4cab		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC276 5352 bytes
font_01_sfnt_off0000d4c9.bin
07888ca41217864c6e8158a97f557a2c6abd2704a532a0e4ff22429c82ba59d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD4C9 14496 bytes

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