Malicious PDF — malware analysis report

Static analysis result for SHA-256 e89f062daf10895b…

MALICIOUS

PDF

47.2 KB Created: 2020-08-22 16:51:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 405a57708fbb37cacf5a3e2e398ee48c SHA-1: 6eb87e0000af3f40084f4b366e325b6d711c25db SHA-256: e89f062daf10895b88a99dd15cff2111968e0676be2d923af7d5308eb2b6d1a6
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with the primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=banomoya+music+video', which is flagged as malicious. This suggests the document's purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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=banomoya+music+video
    • http://files.americanaprime.com/uploads/1/3/2/6/132681507/a8a5bc681.pdf
    • http://nurexav.deliverydoula.com/uploads/1/3/0/7/130775934/rifelotesate.pdf
    • http://duduzasix.kevinbirdteachingportfolio.com/uploads/1/3/1/0/131070767/bdfcc63.pdf
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/wiravejabuliromifa.pdf
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/2087827424.pdf
    • https://cdn.shopify.com/s/files/1/0432/2476/0488/files/94122015286.pdf
    • https://cdn.shopify.com/s/files/1/0431/5503/0170/files/figuwiviwela.pdf
    • https://cdn.shopify.com/s/files/1/0432/8616/7702/files/gomasufudotiw.pdf
    • https://cdn.shopify.com/s/files/1/0428/1267/0111/files/avg_antivirus_free_with_activation_key.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pelezegagujagemubejapo.pdf
    • https://cdn.shopify.com/s/files/1/0433/2768/4760/files/28085755670.pdf
    • https://cdn.shopify.com/s/files/1/0435/5765/0584/files/gasokupoxivepurolirebefu.pdf
    • https://cdn.shopify.com/s/files/1/0433/2978/1918/files/pavejijoderew.pdf
    • https://cdn.shopify.com/s/files/1/0428/6211/7030/files/spreadsheet_application_in_business.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_off00006104.bin
7ae164a73ee3e4de9047e294222b9c53e7df13250ab0f7e59e0ac30a4623017c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6104 6864 bytes
font_01_sfnt_off0000725c.bin
d7113aa30904a759c4cbe56695ab517d8d5827edbe756f2091ab07b6469bd29a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x725C 5168 bytes
font_02_sfnt_off000083e6.bin
d1313c40cfe11b117aaed9affabe7859a21b001691ced8e1548dd2bb0b32bad9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83E6 13788 bytes

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