Malicious PDF — malware analysis report

Static analysis result for SHA-256 32410881535d3286…

MALICIOUS

PDF

45.4 KB Created: 2020-08-18 18:53:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69c7bef42b81bad76397267de98f53fa SHA-1: 51e3e9f50ac14606ec3b01022de0902d80489834 SHA-256: 32410881535d328619adc3af133f33f52b2a1c544265a0a71e9d798ead9d9081
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious infrastructure. This suggests a link farm or SEO poisoning attack designed to drive traffic to malicious sites. The primary malicious URL identified is https://ttraff.cc/pify?keyword=food+website+templates+html, which is likely used to redirect users to further malicious content.

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.cc/pify?keyword=food+website+templates+html
    • http://files.arangillette.com/uploads/1/3/0/7/130776536/judefi-bibam-teganatedenusi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7967/9646/files/56551922929.pdf
    • https://cdn.shopify.com/s/files/1/0434/6806/2872/files/mifeselux.pdf
    • https://cdn.shopify.com/s/files/1/0433/4842/6902/files/nursing_care_plan_for_anorectal_malformation.pdf
    • https://cdn.shopify.com/s/files/1/0448/6791/1842/files/data_analysis_with_excel.pdf
    • https://cdn.shopify.com/s/files/1/0432/9121/3988/files/45508638492.pdf
    • https://cdn.shopify.com/s/files/1/0430/9703/0805/files/69916349597.pdf
    • https://cdn.shopify.com/s/files/1/0433/3027/3448/files/33976889950.pdf
    • https://cdn.shopify.com/s/files/1/0437/5894/4405/files/how_to_divide_complex_numbers.pdf
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/nulifusuruwoxowebikejaton.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94192334972.pdf
    • https://cdn.shopify.com/s/files/1/0437/2217/8710/files/medical_imaging_signals_and_systems_download.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_off0000755d.bin
12dcda154243b17c91cb74da2b1a62a7fa43f9e016c19a8bfec13ba28c98be4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x755D 5288 bytes
font_01_sfnt_off00008745.bin
0abfc180988e03a3360af912713719a89a55da6a0453b7fb336c922124a0d0e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8745 9884 bytes

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