Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d821d7f7780cf0a…

MALICIOUS

PDF

41.4 KB Created: 2020-08-31 03:47:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6263496a17c02d7d2f4942cee25b7328 SHA-1: 0de351dfa3f2e55d1a13923150748dbfc384261d SHA-256: 1d821d7f7780cf0a60e17ee3be3f0073ed669f49bd3aa9ffbbdad916e7d8fde8
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=elite+platinum+pressure+cooker+manua'. This URL is likely part of a phishing or scam campaign. The document body, though heavily obfuscated, contains text related to 'Elite platinum pressure cooker manua', suggesting a lure to trick users into clicking the malicious link. The presence of numerous other links, many pointing to Shopify and static.usrfiles.com, indicates a link farm designed to obscure the true malicious destination.

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=elite+platinum+pressure+cooker+manua
    • https://cdn.shopify.com/s/files/1/0434/9581/7382/files/solafid.pdf
    • https://cdn.shopify.com/s/files/1/0432/0608/2717/files/vetesuxu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/65140008526.pdf
    • https://cdn.shopify.com/s/files/1/0432/0729/5140/files/31972572320.pdf
    • https://static.usrfiles.com/ugd/b8c837_a38d6fa4cb47484080ed3b800154c22e.pdf
    • https://static.usrfiles.com/ugd/de02f3_9f5d8a2edea44fc68bd9ec18b485f4ce.pdf
    • https://static.usrfiles.com/ugd/b8c837_cc899b1769d7402da12a96490a872b75.pdf
    • https://static.usrfiles.com/ugd/1a89c8_3567857f840c48ca8ebba6d28def4ca2.pdf
    • https://static.usrfiles.com/ugd/5de1df_9946952f141b415c8ca5fa93f7960c4d.pdf
    • https://static.usrfiles.com/ugd/111c46_90bc307cc0d24f4cb2f87024dff5edc0.pdf
    • https://static.usrfiles.com/ugd/f0e51d_a161b0766bae47c895da8a53404d7033.pdf
    • https://static.usrfiles.com/ugd/2f8cea_88ae82f1af704e7494ae68252f9d475f.pdf
    • https://static.usrfiles.com/ugd/23b571_153ecf94390c4fbab827197ab09e768b.pdf
    • https://static.usrfiles.com/ugd/b8c837_0a4efbfdb90b458abc7854d09df9785c.pdf
    • https://static.usrfiles.com/ugd/b8c837_ad56bf27fbdd4f50aa7d76d2fb30a763.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_off000062af.bin
773c31615fe3c55bab96671545cd1d57ca847743242e2d69ee3e5a3c8559f52a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62AF 5100 bytes
font_01_sfnt_off000073ed.bin
5e963e88d21b8a044fc2f3574516dfdb448c2f8af4048cb965927652de50eeb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73ED 10776 bytes

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