Malicious PDF — malware analysis report

Static analysis result for SHA-256 e417ce636bcb764a…

MALICIOUS

PDF

45.2 KB Created: 2020-07-30 09:06:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95f6f46767f5ead83bc73bfbb025439c SHA-1: 6e99065311de1e90f872a55279a76c3ffb48949d SHA-256: e417ce636bcb764a8e02874b03c3d37f60b52f8db52a5f17af6def53ad5ef974
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which points to 'ttraff.cc'. This URL is presented to the user as a 'Hydraulic pipe bending machine project report pdf'. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The primary malicious IOC is the redirector URL.

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=hydraulic+pipe+bending+machine+project+report+pdf
    • http://files.smileygloss.com/uploads/1/3/0/9/130969089/8a6f462ac6d.pdf
    • http://files.viecycle.com/uploads/1/3/0/8/130814674/vasowewokufevu.pdf
    • http://files.ipswichgaragedoors.com/uploads/1/3/2/6/132696210/tulozedubobeteful.pdf
    • http://files.trackfourjournal.com/uploads/1/3/2/7/132740515/e966fa.pdf
    • http://files.trackfourjournal.com
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dijupabexapuvasazanuripik.pdf
    • https://cdn.shopify.com/s/files/1/0428/8089/3084/files/45053919586.pdf
    • https://cdn.shopify.com/s/files/1/0431/8262/0834/files/63651764368.pdf
    • https://cdn.shopify.com/s/files/1/0431/2930/7287/files/22693972672.pdf
    • https://cdn.shopify.com/s/files/1/0436/1040/7069/files/wijeromawuvoxefi.pdf
    • https://cdn.shopify.com/s/files/1/0437/7139/6257/files/zejetebapi.pdf
    • https://cdn.shopify.com/s/files/1/0431/7849/2072/files/xamoxaxexizakawiguxerab.pdf
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/vofexaxixajejoforukas.pdf
    • https://cdn.shopify.com/s/files/1/0430/9005/1221/files/42956291797.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/kabutasuretom.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32505595602.pdf
    • https://cdn.shopify.com/s/files/1/0437/5547/1006/files/39599283262.pdf
    • https://cdn.shopify.com/s/files/1/0432/8616/7702/files/xoberug.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_off00007381.bin
3be8d69a26fd7cc94ed78a607786239a0aada9aa3422212a32efd392c21b4158		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7381 5552 bytes
font_01_sfnt_off00008630.bin
0ad0dca663c1c0673b564dd1d991db1bc72779606a8fa502e810230b29699236		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8630 9724 bytes

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