Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce4a8c6aa21b029e…

MALICIOUS

PDF

33.9 KB Created: 2020-08-15 18:47:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 400366756ceedc7d051ca27db51be37d SHA-1: 8c0a5da44d3ac60de90fe7e027fb278425a70312 SHA-256: ce4a8c6aa21b029efd27fb154af702f5397ddcd9574d2085a492daca78fff7c5
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.ru/pify?keyword=guideposts+pray+for+others', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous Shopify links, while some are benign, contributes to the overall deceptive nature of the document, aiming to mask the malicious redirector.

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=guideposts+pray+for+others
    • http://pulorel.sharonlnorris.com/uploads/1/3/0/8/130814241/80c8b043b3de.pdf
    • https://cdn.shopify.com/s/files/1/0437/7572/1633/files/brunner_med_surg_13th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/7945/1292/files/lake_oconee_fishing_report.pdf
    • https://cdn.shopify.com/s/files/1/0436/3046/1081/files/data_structure_and_algorithm_made_easy_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0433/6097/7048/files/85554795532.pdf
    • https://cdn.shopify.com/s/files/1/0440/6788/1125/files/58059454266.pdf
    • https://cdn.shopify.com/s/files/1/0436/5638/0574/files/uni_udp_booter.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rimudunibodosugesujusuvud.pdf
    • https://cdn.shopify.com/s/files/1/0432/0755/7283/files/mewowopuzogibedu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0623/8626/files/42558723454.pdf
    • https://cdn.shopify.com/s/files/1/0437/7473/8586/files/65122882609.pdf
    • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/taduda.pdf
    • https://cdn.shopify.com/s/files/1/0434/3899/7669/files/17059886338.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/suxuteregejo.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_off000048a5.bin
ae665b76f1156444d9040995e9d9de587ca8135fa52a205369a107288b1b7b9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48A5 5232 bytes
font_01_sfnt_off00005a74.bin
147209e86c9f7255b3cbea0c3423cf7102e46df5371215de046f2199bd5040b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A74 9508 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.