Malicious PDF — malware analysis report

Static analysis result for SHA-256 349b2183e2cf2df0…

MALICIOUS

PDF

53.2 KB Created: 2020-08-18 19:57:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5925385415c4735fe9edd1287f201b2b SHA-1: 282fa4ee97400343f4034e8b2de9c53bb6367520 SHA-256: 349b2183e2cf2df035444f07c5c653da256e5c732fe7765502565c08b0885476
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=adaraya+agamaki+official+video+free', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this same URL, suggesting the primary purpose is to lure users to malicious content through a deceptive search result appearance.

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=adaraya+agamaki+official+video+free
    • http://files.ascensionretreats.com.au/uploads/1/3/1/6/131637081/8710105.pdf
    • https://cdn.shopify.com/s/files/1/0435/7806/5055/files/automatic_paper_cutting_machine_using_geneva_mechanism.pdf
    • https://cdn.shopify.com/s/files/1/0441/1306/8184/files/buku_akhirat_tidak_kekal.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/86945964034.pdf
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/tasagiromukoxeba.pdf
    • https://cdn.shopify.com/s/files/1/0431/4903/3640/files/augustinisme_politique.pdf
    • https://cdn.shopify.com/s/files/1/0434/1841/9349/files/taxogusatefitademi.pdf
    • https://cdn.shopify.com/s/files/1/0427/6987/5111/files/81821551946.pdf
    • https://cdn.shopify.com/s/files/1/0446/6117/8521/files/steel_design_segui_6th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0429/5468/6617/files/juminoroledexaxu.pdf
    • https://cdn.shopify.com/s/files/1/0430/6265/7177/files/nozexomosiju.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000516d.bin
c8e5232fdcde0bde2c5838fd4c1cd664b36888e15bd1edfa0a6ab4ba39ff9ccc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x516D 5376 bytes
font_01_sfnt_off00006372.bin
c02f40e779c5b706dc60704e31b9c9551e034bff84405db0412d83dbc51edba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6372 16396 bytes
font_02_sfnt_off00008f02.bin
467343906574a6e2dd5115176c6b272b03488f84f831c4cf6b03cca13b94fcdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F02 10204 bytes
font_03_sfnt_off0000b240.bin
301fb2f14aa1e9a5cf8540ebf40f17e8311eb9ba756e1d76589e408feb703965		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB240 16096 bytes

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