Malicious PDF — malware analysis report

Static analysis result for SHA-256 df016e77f2fed04b…

MALICIOUS

PDF

45.7 KB Created: 2020-09-04 09:09:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 884f9102e7ca3f0bc17636255d6d12a0 SHA-1: ea8e67faf6a0e71c02e444911f8f5c8389713e40 SHA-256: df016e77f2fed04b450acc503deef7a1b39afc58daac3baec5d4318075612fac
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.club/pify?keyword=marksheet+number+in+icse, is the primary indicator of malicious intent. This URL is likely used to lure the user to a malicious site for further compromise. No scripts were extracted from this sample.

Heuristics 2

  • 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.
  • 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/pify?keyword=marksheet+number+in+icse
    • https://cdn.shopify.com/s/files/1/0429/0818/8839/files/c_byte_to_hex_string._format.pdf
    • https://cdn.shopify.com/s/files/1/0429/2149/2643/files/certified_network_defender_study_material.pdf
    • https://cdn.shopify.com/s/files/1/0434/8251/3561/files/53479211303.pdf
    • https://static.usrfiles.com/ugd/b16523_9b8d4f11eb59471ca1aa3dd3bb92f8ba.pdf
    • https://static.usrfiles.com/ugd/b0cd75_28b098c160ed49078df46bb27e8228bb.pdf
    • https://static.usrfiles.com/ugd/69695d_a8884367a5d74a38b0ee3138308f8f9b.pdf
    • https://static.usrfiles.com/ugd/b8c837_c1a25227efe24efa84f4228e272ced14.pdf
    • https://cdn.shopify.com/s/files/1/0433/2794/6904/files/56593324145.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8584587797.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_off000075f3.bin
ddd4fc2956d9c8e0b428e64643d6d2d2c2e03e9c8fa863893b9bbf74d9e5d220		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75F3 5216 bytes
font_01_sfnt_off00008793.bin
d0ede7bdd7a88376af40486242af5b8cf85bacb4c9039d1afbdbebb15a8c8700		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8793 10428 bytes

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