Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2d1fad6ab225340…

MALICIOUS

PDF

39.4 KB Created: 2020-08-31 04:47:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7021d2fa5624e306520a8dd134376e80 SHA-1: 5e5c26df1d7e58e29eb0cea4cbd938d29888d22a SHA-256: d2d1fad6ab225340542fcad4623ff209294afba4e4ff71b3502160b2209c8d04
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is ttraff.ru, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other benign-looking Shopify URLs, likely as part of the SEO spam tactic.

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.ru/wix?keyword=bhabani+bhattacharya+a+moment+of+eternity+pdf
    • https://cdn.shopify.com/s/files/1/0435/9972/4702/files/beko_black_american_fridge_freezer_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/4684/6107/files/8469745686.pdf
    • https://cdn.shopify.com/s/files/1/0439/8671/4782/files/najatevevutavuvetak.pdf
    • https://cdn.shopify.com/s/files/1/0437/4613/2119/files/91818901376.pdf
    • https://cdn.shopify.com/s/files/1/0430/9850/5369/files/mojodokutosale.pdf
    • https://static.usrfiles.com/ugd/a2ebd8_bf11b03275d74e508c50930199db3557.pdf
    • https://static.usrfiles.com/ugd/c3548c_6da7ab05a4ce4f97a4e8c605aacb2dc4.pdf
    • https://static.usrfiles.com/ugd/e745be_72bad976d7cd44e5b24d3cc65041b43f.pdf
    • https://static.usrfiles.com/ugd/4f270c_88d987712c764321a52fc0dabdc96d3d.pdf
    • https://static.usrfiles.com/ugd/41a0b6_1a9701aca59246f3b79ed194a0b2ab28.pdf
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/south_bend_lathe_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66083684812.pdf
    • https://cdn.shopify.com/s/files/1/0459/9942/3647/files/lg_tone_infinim_pairing.pdf
    • https://static.usrfiles.com/ugd/8b2c09_e63b95042e8043f38c72eef788c97dce.pdf
    • https://static.usrfiles.com/ugd/07625c_d8c74df7496a4bb1a243b14a256c617b.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_off00005bd3.bin
189174410321e74a57af3ad62e0ef9a6fbf6cfc5816eaa3e2155bb5f4c5791c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD3 5476 bytes
font_01_sfnt_off00006e3f.bin
dccfec3f7f91c815d1b82261d2e13e065d07027367be1a667fb118e75f5af442		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3F 10004 bytes

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