Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2bb5e26002a6cd7…

MALICIOUS

PDF

43.6 KB Created: 2020-08-24 02:32:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ab2e948213027a64b367d7fa622a613 SHA-1: 7cdf898c9822b76569ea8458f187779fe2e2ba09 SHA-256: d2bb5e26002a6cd766f1b1d9055a298d6491824d62d4d8a97dc68790ae3fe7ee
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. This URL is presented within the document body, likely as a lure to a malicious site. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary intent appears to be redirecting the user to a malicious destination.

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.ru/pify?keyword=sgk+askerlik+bor%25C3%25A7lanma+formu
    • http://fazogi.taxaffinity.com/uploads/1/3/0/8/130874330/felos.pdf
    • https://cdn.shopify.com/s/files/1/0431/4526/5318/files/dental_caries_prevention_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0431/5804/4828/files/30384610151.pdf
    • https://cdn.shopify.com/s/files/1/0429/3158/5180/files/basler_ace_gige.pdf
    • https://cdn.shopify.com/s/files/1/0429/2358/9788/files/causas_y_consecuencias_del_cancer_de_mama.pdf
    • https://cdn.shopify.com/s/files/1/0448/1577/7954/files/39839193972.pdf
    • https://cdn.shopify.com/s/files/1/0431/9540/0356/files/dujakepelupobamu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2421/9288/files/39345760658.pdf
    • https://cdn.shopify.com/s/files/1/0434/5420/2018/files/gesuwulixotopatabetolopix.pdf
    • https://cdn.shopify.com/s/files/1/0429/1015/4908/files/28491881302.pdf
    • https://cdn.shopify.com/s/files/1/0436/8180/8549/files/social_media_addiction_articles.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a6f.bin
0b1ecf6827b6853c0e9b96bcad4fdefe0e5af6155f0c3958f836cf6e5d449710		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A6F 5380 bytes
font_01_sfnt_off00006c96.bin
7d484708ae619ccc7e3c3465db76053c46d96afdad71ae838e98575a894181b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C96 11960 bytes
font_02_sfnt_off000091c1.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91C1 4324 bytes

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