Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa068029249491d2…

MALICIOUS

PDF

46.9 KB Created: 2020-08-18 15:09:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7292055c3d2f16bd1fafbe438e942e20 SHA-1: fc1516e2f857e033949a4af11f4488568a3604cf SHA-256: fa068029249491d27926b24717583ddb6fa1943d1431e703a7e205915683f8af
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to ttraff.com. The document body, though partially corrupted, contains text related to a "Bluetooth app free for windows 8" lure. The PDF also exhibits characteristics of a link farm, with numerous links to Shopify-hosted PDFs, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.

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=bluetooth+app+free++for+windows+8
    • http://files.nextsteptransitioncenter.org/uploads/1/3/0/8/130813821/ziwozu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/xigakovovabinefaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/6544/2455/files/82312264720.pdf
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/fewesixomemofukigu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7571/4715/files/mevaxexezivapajevebotan.pdf
    • https://cdn.shopify.com/s/files/1/0433/6690/8054/files/angry_birds_2_movie_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0436/9478/4665/files/62743574769.pdf
    • https://cdn.shopify.com/s/files/1/0433/1647/8110/files/add_text_to_adobe_9.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bipifapokuwegi.pdf
    • https://cdn.shopify.com/s/files/1/0437/6156/5850/files/pemegeluturatidulu.pdf
    • https://cdn.shopify.com/s/files/1/0439/1036/5339/files/attachments_rainbow_rowell_online.pdf
    • https://cdn.shopify.com/s/files/1/0431/8730/6658/files/rotizejejapip.pdf
    • https://cdn.shopify.com/s/files/1/0432/1312/7835/files/82796634670.pdf
    • https://cdn.shopify.com/s/files/1/0434/9722/6402/files/58202687971.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_off00006c03.bin
07724cf72797a966d0c3de2a2b181cc5565fdc2868605270f7be70445c61d04c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C03 5344 bytes
font_01_sfnt_off00007e32.bin
73220f165d86a304cea0c630c13123c0d126753156d9eb2b2c5a24d40b46ff75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E32 10068 bytes
font_02_sfnt_off0000a0a4.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA0A4 4324 bytes

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