Malicious PDF — malware analysis report

Static analysis result for SHA-256 e017047b57e756e2…

MALICIOUS

PDF

42.0 KB Created: 2020-08-31 05:47:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66c5c6dcf59373077e7e4afc0321d5f3 SHA-1: 6a9f127d697b9c84f78183dacdc94b576ba342bc SHA-256: e017047b57e756e2cd8883956c6040399d3d021d0ce24e7844a7c7b0d35050e4
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, many of which point to a URL identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Queen's code' and the malicious URL, suggesting a lure. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further stages of an attack.

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.cc/wix?keyword=queen%2527+s+code
    • https://static.usrfiles.com/ugd/b8c837_f567e457d5834630a72c88a801cf185e.pdf
    • https://static.usrfiles.com/ugd/6f53d7_2b43313de5994772a30dac388a8d5038.pdf
    • https://static.usrfiles.com/ugd/a1fb72_843398fda0fc4f228ab695361fd4b289.pdf
    • https://cdn.shopify.com/s/files/1/0446/5931/0745/files/arquitectura_barroca_en_italia.pdf
    • https://cdn.shopify.com/s/files/1/0461/3675/4329/files/war_hypnotic_brass_ensemble_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0463/1104/7328/files/29096359770.pdf
    • https://cdn.shopify.com/s/files/1/0437/0569/6407/files/muderidavivefili.pdf
    • https://cdn.shopify.com/s/files/1/0429/2601/4630/files/27170970511.pdf
    • https://cdn.shopify.com/s/files/1/0430/6193/6285/files/audit_report_of_liquidated_company.pdf
    • https://cdn.shopify.com/s/files/1/0429/0491/2031/files/vepisapokikilege.pdf
    • https://cdn.shopify.com/s/files/1/0427/4988/6620/files/wafuxodufumaja.pdf
    • https://cdn.shopify.com/s/files/1/0432/4704/2728/files/36c_breast_example.pdf
    • https://static.usrfiles.com/ugd/b8c837_25d91c7bdb5b46f9a90f6ebb338b124c.pdf
    • https://static.usrfiles.com/ugd/1c8c6c_d4d406f6aa7146f1933c6f967a99766d.pdf
    • https://static.usrfiles.com/ugd/b8c837_682d915c828e49ccae42f5eabca10abc.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_off00006723.bin
9e9d170f1a22a50fe878a47be055755232be9a68b4a6015b785353a95a492e38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6723 4692 bytes
font_01_sfnt_off00007733.bin
6f850b2cbabd61b926136af104dc05c9c61ff3c9294cff251d60e59d0486236b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7733 10736 bytes

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