Malicious PDF — malware analysis report

Static analysis result for SHA-256 41202eb428cd7d62…

MALICIOUS

PDF

55.2 KB Created: 2020-08-07 16:19:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fe174fc8ec4c4f71432576253bcbed1 SHA-1: 59378f73613e477303c8799b87e132b1fce8dea3 SHA-256: 41202eb428cd7d62f5b253999f1378af53f8b3b25d05d35ab53109abe13bf483
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a direct link to a known malicious redirector, indicating a phishing or scam attempt. The embedded URL 'https://ttraff.com/pify?keyword=rainbow+rowell+carry+on+pdf+espa%25C3%25B1ol' is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains references to the same URL and other Shopify links, reinforcing the lure. No scripts were extracted, limiting the analysis of further stages.

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/pify?keyword=rainbow+rowell+carry+on+pdf+espa%25C3%25B1ol
    • http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdf
    • http://files.petalcup.com/uploads/1/3/1/3/131398479/gebober.pdf
    • http://files.sancreedparishcouncil.org/uploads/1/3/2/6/132682076/c55c89832489c.pdf
    • http://files.scottkosel.com/uploads/1/3/1/8/131856072/tadifukej.pdf
    • https://cdn.shopify.com/s/files/1/0432/4805/8536/files/2402775885.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0413/files/wegopinoput.pdf
    • https://cdn.shopify.com/s/files/1/0430/9437/6599/files/49180139729.pdf
    • https://cdn.shopify.com/s/files/1/0433/8394/7427/files/16590854869.pdf
    • https://cdn.shopify.com/s/files/1/0436/4979/4213/files/58612960456.pdf
    • https://cdn.shopify.com/s/files/1/0432/7066/8453/files/48258535508.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wabodenerevugibew.pdf
    • https://cdn.shopify.com/s/files/1/0435/3789/1477/files/jutamipasiritisag.pdf
    • https://cdn.shopify.com/s/files/1/0429/2214/8003/files/28657669703.pdf
    • https://cdn.shopify.com/s/files/1/0434/7248/6566/files/pememidabozam.pdf
    • https://cdn.shopify.com/s/files/1/0448/0362/1025/files/anion_gap_definition.pdf
    • https://cdn.shopify.com/s/files/1/0431/6856/3355/files/malaria_complications.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/

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fed.bin
bbab9ffc88a9072a884b09c601065e81c97081d32d63d594ad1b7db5cfc01564		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FED 5408 bytes
font_01_sfnt_off00008220.bin
02c2f3bbfc61ad74d27f09aeb30d4a4126f0d4c8cf80732a87ff2205bf236045		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8220 10272 bytes
font_02_sfnt_off0000a50d.bin
38f7e3cb7cc52da96883368b892330068d420647855d0af67c3f7aab7047f08d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA50D 17620 bytes
font_03_sfnt_off0000bebf.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBEBF 4324 bytes

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