Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed94c1d5df9520de…

MALICIOUS

PDF

40.7 KB Created: 2020-08-20 21:29:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c26582921ec4e24914cfaf21f152b6a SHA-1: 43ebf6a04f73bc2081a991ef4bff728870c93f37 SHA-256: ed94c1d5df9520de4047c481efa7edc85428a35e3ea34e5cef25d8e2c42610f9
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.cc/pify?keyword=canon+map+utility+software'. This indicates an attempt to redirect users to malicious content. Additionally, the file contains a large number of embedded links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same redirector URL and several Shopify URLs, reinforcing the malicious intent.

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=canon+map+utility+software
    • http://files.cattongrovecentre.org/uploads/1/3/1/4/131438111/newujudisaburul-pusulu-sapirixup.pdf
    • https://cdn.shopify.com/s/files/1/0430/1537/2953/files/70959712477.pdf
    • https://cdn.shopify.com/s/files/1/0433/2086/9019/files/nazemazigosin.pdf
    • https://cdn.shopify.com/s/files/1/0428/3059/4204/files/13108248944.pdf
    • https://cdn.shopify.com/s/files/1/0432/6473/7448/files/15680405055.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/software_free_full_version.pdf
    • https://cdn.shopify.com/s/files/1/0433/0346/9206/files/firutixogumerobakatoduvuf.pdf
    • https://cdn.shopify.com/s/files/1/0438/6222/9157/files/toyota_carina_e_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jenodilibaxu.pdf
    • https://cdn.shopify.com/s/files/1/0434/9168/8610/files/68390380694.pdf
    • https://cdn.shopify.com/s/files/1/0432/9363/8816/files/conclusion_for_lab_report_animal_tissues.pdf
    • https://cdn.shopify.com/s/files/1/0429/3849/9235/files/lenoragexukile.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_off000061e0.bin
7d047e5db17831564f0949e932d2d326c318e6888fd0798f6d287002ffe84f5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61E0 5148 bytes
font_01_sfnt_off00007363.bin
fb943aa71155407f9fea3922c2ee5c4525577f91c1d78b22bc6d3299251f84db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7363 10228 bytes

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