Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9f566059f624ff2…

MALICIOUS

PDF

49.0 KB Created: 2020-09-17 18:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6279b2f356bbf1f6c1909d6269367f25 SHA-1: 5c0e7765d8ce62e6141a1ad2ee9256ad82ae2034 SHA-256: f9f566059f624ff239a99e57a12f11af1652dd71b6d7495cdfd5f2523296c2b0
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, which is further supported by the presence of a large number of embedded external links. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the primary purpose is to redirect users to potentially harmful content, likely for further exploitation 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.me/wix?keyword=choices+stories+you+play+mod+apk+unlimited+keys
    • https://ebff9b5c-119d-48db-9d62-c1cbd3e0625e.filesusr.com/ugd/9b7d8a_9d3913622c3e4e5e9797451242cd8c9d.pdf?index=true
    • https://d87a3cd0-faae-4b03-add0-8917d79f72e9.filesusr.com/ugd/89441e_d72bf5a7982b488a943ba0ac19e40d09.pdf?index=true
    • https://ec29fe8e-72eb-452d-8b78-c819ee31e9af.filesusr.com/ugd/739437_3911757edd194ce3980c1c7d126bf505.pdf?index=true
    • https://0eab85dc-e968-4ac6-8ab6-97f4e1735e96.filesusr.com/ugd/edb4a7_8652530062094dc497547286880559a7.pdf?index=true
    • https://0919c834-daad-48c6-b6bb-7348bfa0743d.filesusr.com/ugd/6f5f23_9aac4fbf41254415a5b82d6bde0d8578.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0434/6737/4758/files/fresh_pomegranate_mask_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0437/2843/7409/files/sotipapi.pdf
    • https://cdn.shopify.com/s/files/1/0429/3771/2806/files/what_is_anarchy_in_international_relations.pdf
    • https://cdn.shopify.com/s/files/1/0428/6958/8124/files/gizizisa.pdf
    • https://aa00d096-1267-45cf-ae71-61063145119d.filesusr.com/ugd/bb4607_ee021ceddba3464d838eeb47b48f4fdc.pdf?index=true
    • https://d37424d7-8fda-4562-9123-63bd284d1fe1.filesusr.com/ugd/3225da_54821c9d5c6f44aabd955cc30481bed3.pdf?index=true
    • https://148b0df4-3566-466d-9124-421adb9d1c48.filesusr.com/ugd/02af14_d7dc088debd4486fbfbf44ee1d08e00f.pdf?index=true
    • https://d5adf190-6d0a-4603-9743-5fc72e690392.filesusr.com/ugd/cc089a_1d6801f1fbbf4244a832ab1a488e6bef.pdf?index=true
    • https://447fcce6-4294-44f9-874d-3b6d66e8a2ef.filesusr.com/ugd/b222ea_bf7edf0d02094d79be564a40e457e284.pdf?index=true
    • https://30ed2416-e99a-44c0-b3f6-082c5807f4d2.filesusr.com/ugd/1cfe37_2f2be82b872b4b74899a462fbc770aa0.pdf?index=true
    • https://60f167a5-e247-4062-bbbc-2017e0448328.filesusr.com/ugd/31bf02_d00c31a9456343b98e846e7f13518e9c.pdf?index=true
    • 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_off00006d4a.bin
5ea13895f91b106512407ce0e705829efe6ec08e3a9fed7c3a55afcae43754aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4A 5384 bytes
font_01_sfnt_off00007f73.bin
1b84dc042e3d45238a651be518aad13f011eceea5172e5f11910b0713df0d8e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F73 12864 bytes
font_02_sfnt_off0000a874.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA874 4324 bytes

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