Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebae6dabc0daaba2…

MALICIOUS

PDF

41.4 KB Created: 2020-08-05 04:52:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 560f688ecbdc4a014d22ffb25c50b1ca SHA-1: 79ceee3c8f3fb672a68f80cc42e00f6dcfaf74ce SHA-256: ebae6dabc0daaba25b8f2f61d673ae29a0a63016b9d5358c45b75daa0fe1df00
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a Desjardins deposit slip. The document also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning attempt. The primary malicious link is designed to redirect the user to potentially harmful 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.com/pify?keyword=bordereau+de+d%25C3%25A9p%25C3%25B4t+desjardins+pdf
    • http://files.totalprosoccer.com/uploads/1/3/0/7/130775195/8220289.pdf
    • http://files.create-diy-online.com/uploads/1/3/0/7/130775102/2742125.pdf
    • http://files.nanettelelaulu.com/uploads/1/3/1/6/131606113/susetuliriminorobe.pdf
    • https://cdn.shopify.com/s/files/1/0437/1664/0923/files/xivebimexozurojamesuwedu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duzibuwusupamodugibeboz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdf
    • https://cdn.shopify.com/s/files/1/0435/2793/0011/files/bipaz.pdf
    • https://cdn.shopify.com/s/files/1/0428/6716/3302/files/xogorabolidalerepimesux.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdf
    • https://cdn.shopify.com/s/files/1/0431/0692/6754/files/38990045853.pdf
    • https://cdn.shopify.com/s/files/1/0432/4078/4035/files/bisacodyl_davis.pdf
    • https://cdn.shopify.com/s/files/1/0430/2949/5959/files/92265582199.pdf
    • https://cdn.shopify.com/s/files/1/0434/0416/5285/files/71167253864.pdf
    • https://cdn.shopify.com/s/files/1/0428/9419/6902/files/31793169520.pdf
    • https://cdn.shopify.com/s/files/1/0433/7152/8344/files/84296462160.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_off00005ee9.bin
c1decbe434dece83fda683cdc0f9760384d13ae9fb234520742dda5f074e9132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE9 5412 bytes
font_01_sfnt_off000070e9.bin
254bc1a347ffadee42e1c69c40a819c8f4c8f80a1aeebf2f78088708ead0055b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70E9 11984 bytes

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