Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b6838333507af65…

MALICIOUS

PDF

55.0 KB Created: 2020-09-02 20:42:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82985b73cce9893e019606101d2a332d SHA-1: eb030e6126f47616bb7064c25a7592db74db4d04 SHA-256: 1b6838333507af65cfb893f7ddbe5dec0b1cf6a5c4e827faa9a9d5dbdb080f2c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=disney+aladdin+trailer'. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous links to benign Shopify domains, likely to obscure the malicious redirector. The document body contains garbled text but includes the malicious URL, suggesting an attempt to disguise the malicious intent with a seemingly relevant topic.

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/wix?keyword=disney+aladdin+trailer
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdf
    • https://cdn.shopify.com/s/files/1/0431/2170/5124/files/47587645860.pdf
    • https://cdn.shopify.com/s/files/1/0429/6183/0037/files/45259002341.pdf
    • https://cdn.shopify.com/s/files/1/0452/0817/4743/files/99236814013.pdf
    • https://cdn.shopify.com/s/files/1/0430/3428/0087/files/92477443519.pdf
    • https://cdn.shopify.com/s/files/1/0435/8638/8136/files/91362287137.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdf
    • https://cdn.shopify.com/s/files/1/0438/4092/9957/files/free_change_order_template.pdf
    • https://cdn.shopify.com/s/files/1/0434/5154/7815/files/administration_management_system.pdf
    • https://cdn.shopify.com/s/files/1/0429/2755/4723/files/miregiserirovinadetiwena.pdf
    • https://cdn.shopify.com/s/files/1/0433/6159/9643/files/chrysler_town_and_country_2013_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/8119/3885/files/82810513469.pdf
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/parogimenexobokovoxekaju.pdf
    • https://cdn.shopify.com/s/files/1/0433/1533/1227/files/kikinozokijanosaj.pdf
    • https://cdn.shopify.com/s/files/1/0437/6795/5610/files/panojojofupawaxub.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/1/0452/0817/4743/files/992368

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009af1.bin
9b01325479b71a455b575f51cd2350ed0470b74e70959097b4471e88763832d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AF1 4920 bytes
font_01_sfnt_off0000abc5.bin
ef3f65f255b668d1e0f867aac0b059cbd807359d0c6fd2605fd68e6109ea87a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABC5 10456 bytes

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