Malicious PDF — malware analysis report

Static analysis result for SHA-256 26098c82031a6a6b…

MALICIOUS

PDF

36.1 KB Created: 2020-08-12 03:07:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e6bd50f3cac6596ec30e494ca632da5 SHA-1: f7d72ba530537c1e76ea6e619e0b1a9466e5621f SHA-256: 26098c82031a6a6b2c156d8212681170d87fa8607efee5a4f33e1704a02f4340
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=above+all+powers+lyrics+and+chords+pdf'. While many other links point to benign Shopify domains, the presence of the malicious redirector indicates a clear intent to lead users to harmful content. No scripts were extracted, limiting further analysis of the payload.

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=above+all+powers+lyrics+and+chords+pdf
    • http://files.mantleofelijah.org/uploads/1/3/2/6/132681976/6920811.pdf
    • http://files.akagibustinscience.com/uploads/1/3/0/8/130814717/a1b000277c209.pdf
    • http://files.wanderlusthrts.com/uploads/1/3/0/7/130739142/49c8483a9ec.pdf
    • https://cdn.shopify.com/s/files/1/0431/8694/6212/files/86647390712.pdf
    • https://cdn.shopify.com/s/files/1/0436/1401/1555/files/drawing_and_painting_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0438/2287/4781/files/didajitaketidikuzipuzo.pdf
    • https://cdn.shopify.com/s/files/1/0437/7696/6808/files/86641402499.pdf
    • https://cdn.shopify.com/s/files/1/0437/8768/1952/files/chinese_to_english_translation_book.pdf
    • https://cdn.shopify.com/s/files/1/0439/6164/7262/files/apostila_noes_de_administrao_pblica_para_concurso.pdf
    • https://cdn.shopify.com/s/files/1/0428/4832/1692/files/vemudotobolozo.pdf
    • https://cdn.shopify.com/s/files/1/0447/0548/0858/files/bulletin_de_salaire_2020.pdf
    • https://cdn.shopify.com/s/files/1/0434/2402/2677/files/28873736619.pdf
    • https://cdn.shopify.com/s/files/1/0431/7279/0427/files/merufejufuxemuxuz.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/veruget.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_off0000482f.bin
7afd5be04b04ec5f263492ded21a1b9c9976b009e0875b44251236b2b2376364		 pdf-font-stream PDF embedded font (sfnt) at offset 0x482F 5624 bytes
font_01_sfnt_off00005b54.bin
0c9816db7f0e4c11f557566568dadf1ff3d6a2e8dce79dfcc30e9b80a23f1b2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B54 13284 bytes

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