Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eba6576966e7081…

MALICIOUS

PDF

48.8 KB Created: 2020-08-21 21:48:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f13659a6e6e320d444187d36767a08d SHA-1: c308f62818a1773b7922c8b5aa8adaefbc72e9c2 SHA-256: 9eba6576966e708184aa897e888a42e7119b042aaa225a71e43997d83c6fdfcb
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that are identified as malicious redirectors. One such link, 'https://ttraff.ru/pify?keyword=ccna+2+chapter+exam+answers+2019', is directly referenced in the heuristics and the document body. The document's content and structure suggest a lure to disguise the malicious link as a helpful resource, likely for credential harvesting or malware delivery.

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=ccna+2+chapter+exam+answers+2019
    • http://files.phoenixrpgtav.com/uploads/1/3/1/4/131438509/957527.pdf
    • https://cdn.shopify.com/s/files/1/0431/2150/8506/files/clinical_pharmacist_cv.pdf
    • https://cdn.shopify.com/s/files/1/0438/6163/9318/files/swot_and_pest_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0437/5245/6346/files/arm_assembly_language_programming_architecture_volume_1.pdf
    • https://cdn.shopify.com/s/files/1/0431/1410/2951/files/hudson_park_pima_cotton_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0433/1415/1589/files/40723631265.pdf
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/30963126823.pdf
    • https://cdn.shopify.com/s/files/1/0432/2682/4859/files/wodejodageniriwas.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
    • https://cdn.shopify.com/s/files/1/0438/4774/5698/files/ravafetevogadexuke.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_off000080d2.bin
42ca0abb225748ee24457a9a0e0bb7f861cd6a0f6304a243f52fa74fd2893351		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80D2 5688 bytes
font_01_sfnt_off00009408.bin
537609a8bb564390753a0e4604618f0a9f0191db15513b46ee42b465555a7986		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9408 10000 bytes

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