Malicious PDF — malware analysis report

Static analysis result for SHA-256 d52e37f216746d55…

MALICIOUS

PDF

39.6 KB Created: 2020-09-02 00:33:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65454f8928410eada27e58a995b0bd79 SHA-1: 9fda643f3e9b5535c0e9b64644bd357e58b7fb76 SHA-256: d52e37f216746d55cf00d0093bccb1bc0fd440d143ab64fc2475d05befff659c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with the primary heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for movie downloads. This suggests the PDF is designed to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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/pify?keyword=brothers+full+movie+telugu
    • https://static.usrfiles.com/ugd/c12414_cb05a2dc6c1c4a65aa34a536e9805030.pdf
    • https://static.usrfiles.com/ugd/d5415a_c632efbebe4843499e53f08f724f5893.pdf
    • https://static.usrfiles.com/ugd/e4ff69_73dee8e6aaf64d978257bafb8d8eb267.pdf
    • https://static.usrfiles.com/ugd/3bcfef_844ea5a87bfc434ca3e8daa449a8da48.pdf
    • https://static.usrfiles.com/ugd/a640e9_2a9a33b745084f7fbe874d9bd64eb775.pdf
    • https://static.usrfiles.com/ugd/314c35_30df69d079654fc5b9e0858e1e2587e4.pdf
    • https://static.usrfiles.com/ugd/f34823_0a843430d8c34807ad640480ccd6a4c8.pdf
    • https://static.usrfiles.com/ugd/909b15_7d2de5fe8d6b4d9fbe47773b730413d4.pdf
    • https://static.usrfiles.com/ugd/97368a_e7a790c1b7f244569b5504d1567c6afb.pdf
    • https://static.usrfiles.com/ugd/45e30f_d501e3b0d3c24a3982639f06be136aa5.pdf
    • https://static.usrfiles.com/ugd/ea5d7b_3562fe02ab484010aa9da01de31b18b7.pdf
    • https://static.usrfiles.com/ugd/b8c837_12820c254eba47cc95acd519ef0f5bf1.pdf
    • https://static.usrfiles.com/ugd/b8c837_f8437bfbc26b424c91f8d9ba040621c6.pdf
    • https://static.usrfiles.com/ugd/85d67f_5ba00991d6824b5bab3592e66f028196.pdf
    • https://static.usrfiles.com/ugd/1ebe14_27e3c918aa644a7bba4355a906928f57.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_off00005e05.bin
49e5b87149c73da65b0e2ca93529db66367b2745dbfc0d4f707e1d65a6971fcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E05 5080 bytes
font_01_sfnt_off00006f39.bin
9436482a56a107d526680cece3dc3f82dcc95ebe580632d267ded92fd0f227d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F39 10148 bytes

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