Malicious PDF — malware analysis report

Static analysis result for SHA-256 36693ff93952b3ef…

MALICIOUS

PDF

62.3 KB Created: 2020-09-04 00:28:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 072499f0d92c87707e8c8f38d04e95ce SHA-1: e99e8bb7b2b235d2fb87bd54ca5b06e24187e6d0 SHA-256: 36693ff93952b3effcf6e384ad5665415f34ece3520f42f9b2689c99c7e50b44
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains the URL https://ttraff.com/wix?keyword=life+is+beautiful+movie++300mb, which is likely part of a lure to trick users into downloading malicious content. The PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, further supporting a malicious intent to distribute harmful content.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.com/wix?keyword=life+is+beautiful+movie++300mb
    • https://cdn.shopify.com/s/files/1/0445/6477/5076/files/general_aptitude_test_questions_and_answers_with_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0435/8130/9085/files/zipopuviwilatagok.pdf
    • https://cdn.shopify.com/s/files/1/0433/8260/3927/files/15432797308.pdf
    • https://static.usrfiles.com/ugd/81b904_999e9502bb7b49d5afebd94acac3bc39.pdf
    • https://static.usrfiles.com/ugd/b8c837_cd4141fcf85948148f7b269342f39ab0.pdf
    • https://static.usrfiles.com/ugd/b8c837_edb9d486f54e45719e2945602168d400.pdf
    • https://static.usrfiles.com/ugd/5438e3_bf9bab2473b2414f8bf4168073178354.pdf
    • https://static.usrfiles.com/ugd/6846fe_64812e1a465941c1abe9d9d378c22881.pdf
    • https://static.usrfiles.com/ugd/b8c837_ce2eb99890cb4ec88b7d458bb6da8de4.pdf
    • https://static.usrfiles.com/ugd/b8c837_e340b4e0341b4c08a2f918c0e687e228.pdf
    • https://static.usrfiles.com/ugd/c3548c_54484147b4dd42d898e4e5480288c77d.pdf
    • https://static.usrfiles.com/ugd/bfbc46_dcf39d2972794917ab782435d9f8938f.pdf
    • https://static.usrfiles.com/ugd/bb3bf9_8f98297fd65248e698c82fbdebf91d1d.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 8

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055e6.bin
e2699dd455c039424d7fcb2596f08c57807147d6aaacb6e682a434f1a2b30c48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55E6 5040 bytes
font_01_sfnt_off0000671f.bin
87985804ebf98b1030980f20b4e39595e1aa76caccafc3e7d64f2ca02509db1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x671F 20968 bytes
font_02_sfnt_off00008750.bin
5e0676e134781f2a21c06a0d045eebc95ad2f72f5ed7fc876ffdcead7ccbe471		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8750 2276 bytes
font_03_sfnt_off00009112.bin
b211bd8b30d996aba6b5fd7981ef78e72e246412ecd7511410b236078f49ae20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9112 2188 bytes
font_04_sfnt_off00009b54.bin
80cd9f8337cd538e60c34264be4723122a525786625b2de45e9d6d1013562d3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B54 10224 bytes
font_05_sfnt_off0000be30.bin
e5f30af547b55dfbbae63869c45e93d04e829a64999393572a2275da8290585e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE30 2056 bytes
font_06_sfnt_off0000c71e.bin
794d8cc090a449e0d460036171b2d5b2c749cb0dc3f17972c44626ada68ee3d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC71E 16168 bytes
font_07_sfnt_off0000dc24.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC24 4324 bytes

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