Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a9f372d544cdb24…

MALICIOUS

PDF

134.1 KB Created: 2020-08-19 13:31:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 30af436aa5b6761cdb8d19f4edba7e57 SHA-1: 78f17b2c0a84843957e840d5abfc97317fc4d03e SHA-256: 7a9f372d544cdb24efebe582ba813ff30cc0829908beaf45bd284a3d5dd8845d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one heuristic specifically flagging a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Android 17 and 18 tournament of power' and a URL that appears to be part of a link farm. The primary malicious link identified is https://ttraff.ru/pify?keyword=android+17+and+18+tournament+of+power, which likely serves as a lure to a malicious site.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/pify?keyword=android+17+and+18+tournament+of+power
    • http://nazimete.arizonadpsrp.org/uploads/1/3/2/3/132303195/7df4ea5f1a3.pdf
    • https://cdn.shopify.com/s/files/1/0430/5698/8311/files/kiwixuxorazipapapof.pdf
    • https://cdn.shopify.com/s/files/1/0431/8865/0142/files/raxobesemafo.pdf
    • https://cdn.shopify.com/s/files/1/0431/1393/9110/files/bejugubokeneb.pdf
    • https://cdn.shopify.com/s/files/1/0429/8866/7039/files/sarujul.pdf
    • https://cdn.shopify.com/s/files/1/0435/1574/0314/files/91989729090.pdf
    • https://cdn.shopify.com/s/files/1/0430/1560/2337/files/28903225682.pdf
    • https://cdn.shopify.com/s/files/1/0428/1162/1543/files/lovageme.pdf
    • https://cdn.shopify.com/s/files/1/0435/6413/8651/files/cake_by_the_ocean_line_dance.pdf
    • https://cdn.shopify.com/s/files/1/0435/2121/2570/files/zagapanazidibunuz.pdf
    • https://cdn.shopify.com/s/files/1/0428/6709/7756/files/quantum_chemistry_2nd_edition_mcquarrie.pdf
    • https://cdn.shopify.com/s/files/1/0452/2721/2957/files/66020135832.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001c112.bin
eef3d91a51632df644fc3bbd86a8de47f445951d0c8b0ca21749abb44019de25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C112 5664 bytes
font_01_sfnt_off0001d4a8.bin
901a9e7ff15afcd959ecea287c098b4c60dd0398df72aada58ceb90db06eec83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D4A8 5384 bytes
font_02_sfnt_off0001e701.bin
631bd4aae54e860b527ddbc3ec0c26b7bb2ea70e1923e1aa3d4d0361315151e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E701 10308 bytes

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