Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eabd64e2f2e925b…

MALICIOUS

PDF

36.8 KB Created: 2020-08-29 06:10:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73aa1174439b93f7bc265df10ef6b530 SHA-1: 60be839fe4559a89d6e10e82fbed7e8c3c63c99e SHA-256: 1eabd64e2f2e925b08f700818d06e575df4e4574f3380a2ecef4f3995dd40974
120 Risk Score

Malware Insights

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

This PDF file was identified as malicious due to the presence of a large number of embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the primary links points to a known malicious redirector at 'ttraff.ru'. The document body contains garbled text and embedded URLs, further supporting the malicious intent. No scripts were extracted, limiting the analysis of specific payload delivery mechanisms.

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/wix?keyword=masonic+and+occult+symbols+illustrated
    • https://cdn.shopify.com/s/files/1/0434/1537/1932/files/sikuvubugona.pdf
    • https://cdn.shopify.com/s/files/1/0436/4802/4741/files/ccna_2_pretest_exam_answers.pdf
    • https://cdn.shopify.com/s/files/1/0435/8501/1871/files/zegoketowojodibox.pdf
    • https://static.usrfiles.com/ugd/b8c837_26ed43872c814291802d3454cf9cf3b4.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0ca406fdb284c93b800e0156dfe8b64.pdf
    • https://static.usrfiles.com/ugd/b8c837_8056aaab75594634a7a7887e2d8ef7f8.pdf
    • https://static.usrfiles.com/ugd/b8c837_574478db8c164d8684529770df75ca34.pdf
    • https://cdn.shopify.com/s/files/1/0433/6569/5638/files/vanilla_gm_commands.pdf
    • https://cdn.shopify.com/s/files/1/0437/5265/2951/files/48587618731.pdf
    • https://cdn.shopify.com/s/files/1/0429/7618/2426/files/mirunag.pdf
    • https://cdn.shopify.com/s/files/1/0438/4768/0162/files/flash_bleach_safety_data_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bebupikisanomagidilu.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_off00005102.bin
fd74b5155b8e2ebc8490886720246b614a8e359b0314abe1ec42393c057c597c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5102 5332 bytes
font_01_sfnt_off00006309.bin
6e74fed04337ff9b2e0f42228d786c6b5789aa6c5a6db0f2aa8a67a523d35c37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6309 10492 bytes

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