Malicious PDF — malware analysis report

Static analysis result for SHA-256 eafab98885123190…

MALICIOUS

PDF

74.2 KB Created: 2020-09-17 13:09:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6fb6c9abf6fb8f19ab2e40f25a4eb713 SHA-1: b2f48d8371f29b904325883d9b4e0d2d40578949 SHA-256: eafab9888512319076e1d9d07b9fc0b23671ddec62eec5ca63db90d6bfaf82b3
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded external links, with a critical heuristic firing indicating a link farm. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, suggesting the document's purpose is to lure users to this malicious site. No scripts were extracted from this sample.

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.me/wix?keyword=simon+stephenson+pixar
    • http://files.jonathaneccleston.com/uploads/1/3/2/6/132695575/614d7c9e90.pdf
    • https://cdn.shopify.com/s/files/1/0435/5594/6655/files/navexijoka.pdf
    • https://cdn.shopify.com/s/files/1/0439/2773/2379/files/product_label_design_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/6708/8800/files/55252091018.pdf
    • https://6eba77f8-e72a-445c-a49b-b5e9ed463d68.filesusr.com/ugd/22739b_7396d1361f6048898ad1ad8190d3411e.pdf?index=true
    • https://05217747-4a17-48ac-a77b-962474ffd5de.filesusr.com/ugd/132250_a00893b012b14573978e561f4719e39f.pdf?index=true
    • https://d4b4a664-a029-4ea2-b58d-ec0fc092c9c2.filesusr.com/ugd/296484_1559a695ea5a4fd0a774537bc924d5b9.pdf?index=true
    • https://79e10df3-b965-4c16-ae6a-5c5ff4a51585.filesusr.com/ugd/d6b5da_69ca1ad53ffc450cb8e474a1466dc36b.pdf?index=true
    • https://f7e390b4-4cb1-4af4-bdc2-52f4323521cc.filesusr.com/ugd/28b3f7_7af6fc342ff048b3a81129a024c05868.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66923604261.pdf
    • https://cdn.shopify.com/s/files/1/0432/2381/0211/files/barbershop_the_next_cut_free_movie.pdf
    • https://cdn.shopify.com/s/files/1/0454/2945/7064/files/arousal_and_anxiety_in_sport.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df55.bin
f89294f73e14765e8e26eaf5de611e94ea8db6fe263cfb21d67430f36178b84c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF55 5196 bytes
font_01_sfnt_off0000f0d7.bin
c05a946270b2fa55cf27752a52afc4f34f2caf163b895cd96b77a3d7d06a8437		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0D7 13552 bytes

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