Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3b95223a751c982…

MALICIOUS

PDF

43.0 KB Created: 2020-08-03 09:07:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a937fcaf87796e7438dbb57b33b69e32 SHA-1: 4256d787d7d374ceb9b52ebf4aeb43648ba91894 SHA-256: e3b95223a751c98279a75ba654669c7bc3fd62b52662806bbc109b5c4f7312b3
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a Canon GL2 camera manual. This redirector likely leads to a malicious payload. The PDF also contains a large number of links to other PDFs hosted on Shopify, potentially as part of a link farm to improve search engine ranking for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=canon+gl2+manual
    • http://files.kobasfourpawsinstitute.com/uploads/1/3/1/1/131164067/549698.pdf
    • http://files.tsmseniorcenterassociation.com/uploads/1/3/1/3/131380005/c04b1c8c.pdf
    • http://files.coonangusranch.com/uploads/1/3/2/8/132815916/zugax.pdf
    • https://cdn.shopify.com/s/files/1/0435/3523/7269/files/sopipisegemimoz.pdf
    • https://cdn.shopify.com/s/files/1/0431/0741/8273/files/getting_things_done_outlook.pdf
    • https://cdn.shopify.com/s/files/1/0430/6596/6754/files/tutejaxodopotetizoras.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5080/files/bodomobad.pdf
    • https://cdn.shopify.com/s/files/1/0431/5119/6315/files/toretokadumiwefabefeta.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49186839350.pdf
    • https://cdn.shopify.com/s/files/1/0432/3111/7467/files/74097772301.pdf
    • https://cdn.shopify.com/s/files/1/0435/1036/6362/files/87072860339.pdf
    • https://cdn.shopify.com/s/files/1/0434/1461/8262/files/89856095549.pdf
    • https://cdn.shopify.com/s/files/1/0429/8693/0329/files/bilogofedawijotuwox.pdf
    • https://cdn.shopify.com/s/files/1/0437/8011/2545/files/14265231745.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65587220918.pdf
    • https://cdn.shopify.com/s/files/1/0434/1117/7639/files/24344804072.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_off00006c52.bin
aebdd8b2474cf552fef33e3546100dac07c980fd79dde1c91bb0775b464ec8be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C52 4768 bytes
font_01_sfnt_off00007c7b.bin
c45f3592a39f268b77d79168fe248c6a8ec4ab8f8144d7088b3a381ca2a140af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C7B 10208 bytes

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