Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ba41b1bad91bd2…

MALICIOUS

PDF

48.9 KB Created: 2020-08-06 04:06:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b3e36bc27d16cc86f092760794cceec SHA-1: 8f1c49be20d7655c8138dd00a5a3ea4084d002cb SHA-256: 94ba41b1bad91bd2470fd69b4b581fd13e365c63ef111d36dfcbf890ab5ecd19
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one link identified as a malicious redirector. This suggests the document is designed to lure users to malicious websites. The presence of numerous links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, and the document body is heavily obfuscated.

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/pify?keyword=sociocultural+context+pdf
    • http://files.gilliantorckler.com/uploads/1/3/0/8/130874629/gomenevidi-kinepowa-xasokipa-xupuzateseroji.pdf
    • http://files.sdsimages.com/uploads/1/3/2/6/132681836/16ed9f63cb.pdf
    • http://files.jaimerosenstein.com/uploads/1/3/0/9/130969985/5de9df685820.pdf
    • http://files.blackriverloghome.com/uploads/1/3/1/1/131164032/8915059.pdf
    • https://cdn.shopify.com/s/files/1/0438/1461/7250/files/6012371751.pdf
    • https://cdn.shopify.com/s/files/1/0433/8837/1107/files/48544259256.pdf
    • https://cdn.shopify.com/s/files/1/0443/2723/9836/files/eyes_text_symbol.pdf
    • https://cdn.shopify.com/s/files/1/0432/7948/3048/files/85781705537.pdf
    • https://cdn.shopify.com/s/files/1/0431/9290/9987/files/floyd_rose_installation_instructions.pdf
    • https://cdn.shopify.com/s/files/1/0432/5661/0971/files/34043788022.pdf
    • https://cdn.shopify.com/s/files/1/0433/3505/7559/files/wodikatataridib.pdf
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/lelares.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sefumiwizekoreletete.pdf
    • https://cdn.shopify.com/s/files/1/0433/5802/7928/files/jowijavezesasoro.pdf
    • https://cdn.shopify.com/s/files/1/0434/5092/5223/files/asean_free_trade_area_afta.pdf
    • https://cdn.shopify.com/s/files/1/0431/4375/7992/files/gunoxavulaka.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_off000081f8.bin
9c7806101a866ad313425b4324dc8152fab5883cddb7ed0fef84850ee6b545de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81F8 5144 bytes
font_01_sfnt_off0000938c.bin
eeba9604d83cd03c1676205766dc8290dedd57c72e7d7c1fad9a0d7200a3d5e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x938C 10360 bytes

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