Malicious PDF — malware analysis report

Static analysis result for SHA-256 e24e7e06edfc3f11…

MALICIOUS

PDF

89.5 KB Created: 2020-09-11 07:30:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e8a10f8b2477a14f80bda8fb5e0566d SHA-1: 3c924815d966ab46dfc0d9704f3dbde5d0c38c56 SHA-256: e24e7e06edfc3f11ed451abad79fd0909cb52c18f489c2177c1a43017ca4603c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.club/wix?keyword=mapleroyals+leeching+guide+2018'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to 'static.usrfiles.com'. The document body, though heavily obfuscated, also contains the malicious URL, suggesting a lure to a potentially malicious site.

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.club/wix?keyword=mapleroyals+leeching+guide+2018
    • https://static.usrfiles.com/ugd/479fa9_2121941a14f9496b88299a75fa9cbe77.pdf
    • https://static.usrfiles.com/ugd/b8c837_a2f640f340c6440aaa326855df987f29.pdf
    • https://static.usrfiles.com/ugd/90c678_fa49040c63db45818bbaaef38663ed40.pdf
    • https://static.usrfiles.com/ugd/85d67f_b65e6f0f8041441d88680b7c9f0aec03.pdf
    • https://static.usrfiles.com/ugd/bf07b1_fa6fcbfa97334595b8ac81047d8310cd.pdf
    • https://static.usrfiles.com/ugd/b8c837_ea1fb4191b574145802eeb00d14fb208.pdf
    • https://static.usrfiles.com/ugd/e2a635_c4cf2dd5a15640ce958b6d2d3f86b675.pdf
    • https://static.usrfiles.com/ugd/b1b16e_3b47a18cdd0c454fab87f320bf8dbdfb.pdf
    • https://static.usrfiles.com/ugd/017c44_937183b5f9164b5c88cb412482ac741f.pdf
    • https://static.usrfiles.com/ugd/b8c837_825bd7d1a2074e9fba7e7e164ce6d92f.pdf
    • https://cdn.shopify.com/s/files/1/0434/1363/5226/files/52552491084.pdf
    • https://cdn.shopify.com/s/files/1/0467/7661/5065/files/18196188559.pdf
    • https://cdn.shopify.com/s/files/1/0428/0123/4076/files/24430442610.pdf
    • https://cdn.shopify.com/s/files/1/0430/5593/9733/files/suvotude.pdf
    • https://cdn.shopify.com/s/files/1/0430/9460/5975/files/26500481729.pdf
    • https://cdn.shopify.com/s/files/1/0429/3971/1644/files/xowiledamojivonazaz.pdf
    • https://cdn.shopify.com/s/files/1/0432/6634/3072/files/lufekobeko.pdf
    • https://cdn.shopify.com/s/files/1/0434/6553/9741/files/psychology_test_questions_and_answers_in_telugu.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b70a.bin
3d4760ca295192c89086870ebbac49c5a5945404ea6ab57fca452cf2db5f569a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB70A 6440 bytes
font_01_sfnt_off0000c6ce.bin
7a5764c4909aea199a7ca64d193ce33950f8e564006404def8f143d599d82d8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC6CE 20584 bytes
font_02_sfnt_off000105c5.bin
851b1948d3d51207bf6aa8a86c79858c53c146ceaf6556e8c39c744d69dba7f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x105C5 5964 bytes
font_03_sfnt_off00011a1e.bin
4afe63882416666b7edfdcbe8d21b095c73620dd1624f9b446572d806248688e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A1E 11248 bytes
font_04_sfnt_off000140cb.bin
52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550		 pdf-font-stream PDF embedded font (sfnt) at offset 0x140CB 16036 bytes

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