Malicious PDF — malware analysis report

Static analysis result for SHA-256 d06fb50a1598316b…

MALICIOUS

PDF

39.6 KB Created: 2020-08-24 00:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 37ed3abdc844bbe54ee79099939427a8 SHA-1: 666df6ed449eb99986441e2614a1acd80ea15f24 SHA-256: d06fb50a1598316b7050695f7febd320d402436ce9ef74d96b32c4890c41316a
160 Risk Score

Malware Insights

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

The PDF file contains a fake CAPTCHA lure, designed to trick users into interacting with the document. It embeds numerous links, including a critical redirector link to 'ttraff.com', which is associated with malicious activity. The document body also contains the same malicious URL, reinforcing the lure. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content broadly.

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.
  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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=moto+android+7.+0+frp+bypass+apk
    • http://files.vikingsoul.net/uploads/1/3/1/4/131406258/wasaluwozasobo.pdf
    • http://josagena.weepingwaterlibrary.org/uploads/1/3/1/4/131437363/ruxusulevukitobudesi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/fefuwojowiwes.pdf
    • https://cdn.shopify.com/s/files/1/0432/6794/8706/files/how_to_highlight_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0432/7764/8027/files/australia_email_address_format.pdf
    • https://cdn.shopify.com/s/files/1/0433/1307/0238/files/31889400541.pdf
    • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/gugoguzibule.pdf
    • https://cdn.shopify.com/s/files/1/0432/3016/7203/files/cassirer_philosophy_of_the_enlightenment.pdf
    • https://cdn.shopify.com/s/files/1/0430/0944/1953/files/bikogupixusumaze.pdf
    • https://cdn.shopify.com/s/files/1/0448/3029/4177/files/bank_of_baroda_loan_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/8433/2710/files/63581354458.pdf
    • https://cdn.shopify.com/s/files/1/0447/0459/6122/files/mezisopemavuwof.pdf
    • https://cdn.shopify.com/s/files/1/0434/1812/4445/files/blade_and_soul_pc_game_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/6006/0567/files/dowipezuwujopuboge.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_off00005c95.bin
813af46eebed3768d7d0ff31ac9e59f3be19e48e71e8cfb375199701486dc6f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C95 5568 bytes
font_01_sfnt_off00006fa5.bin
3cd953ef90a59846462f9a6966add7865cbbf61ece3500d924bb5b91f0d2ebe4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA5 9908 bytes

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