Malicious PDF — malware analysis report

Static analysis result for SHA-256 df14d5c3afd27870…

MALICIOUS

PDF

41.3 KB Created: 2020-08-31 02:57:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 965650e4f8ecd3f5a2f24cbb627dcf0e SHA-1: bba066fe05b20c0f408a9bcd6d5a9f490e12d159 SHA-256: df14d5c3afd278705c0f4f1476011ff3ef7bd8f02333bd1e6ba0c8f5a1132e7a
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'psx2psp games roms' and references to the wkhtmltopdf tool, suggesting a lure to entice users to click on the malicious links. The primary malicious link is https://ttraff.cc/wix?keyword=psx2psp+games+roms, which likely leads to further malicious content or phishing pages.

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.cc/wix?keyword=psx2psp+games+roms
    • https://static.usrfiles.com/ugd/08fe48_5140edeb9ca8442b899e3b66a759bc59.pdf
    • https://static.usrfiles.com/ugd/07625c_403be1185ea8471893f7da7c87195384.pdf
    • https://static.usrfiles.com/ugd/9c43ec_5da84558151c47dc98a3e061c0f611d9.pdf
    • https://cdn.shopify.com/s/files/1/0431/8956/7650/files/83894584769.pdf
    • https://cdn.shopify.com/s/files/1/0433/0536/9758/files/xiwevirugedalopobora.pdf
    • https://static.usrfiles.com/ugd/1be480_2541441e628c4ade91038db9b6f80ffe.pdf
    • https://static.usrfiles.com/ugd/c63dba_cdd2174e8c6a422fa41b7f026d0f6b41.pdf
    • https://cdn.shopify.com/s/files/1/0449/2450/2171/files/betterdiscord_change_font.pdf
    • https://cdn.shopify.com/s/files/1/0434/8339/8310/files/anthony_giddens_modernity.pdf
    • https://cdn.shopify.com/s/files/1/0435/0020/8294/files/varicocele_nhs.pdf
    • https://cdn.shopify.com/s/files/1/0430/1442/2687/files/bawanirozavegegatemafi.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_off000063ff.bin
045357f9dc2ba4bdad6c965f5f6bbed0733a1f0d90b8a605d38fe911646d53ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FF 5308 bytes
font_01_sfnt_off00007600.bin
3e2fbd055372812d5bb83d27bcb59e292adcac2c60ca79a590eab0d862b80252		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7600 10308 bytes

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