Malicious PDF — malware analysis report

Static analysis result for SHA-256 a96fed0df0e1675f…

MALICIOUS

PDF

37.9 KB Created: 2020-08-30 10:08:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7635ab2451ae95bd478fffc3c1e69b1c SHA-1: a6a87540be3a910f497d2872b83adf8dda876184 SHA-256: a96fed0df0e1675f34a359687b391487185ca02c78558cdced49c63fce346f1c
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the primary links, 'https://ttraff.com/wix?keyword=icao+annex+19+2018', is flagged as a known malicious redirector. This suggests the document's purpose is to lure 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.com/wix?keyword=icao+annex+19+2018
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/7730738641.pdf
    • https://cdn.shopify.com/s/files/1/0433/3551/6318/files/nexuxevibutozunolusowa.pdf
    • https://cdn.shopify.com/s/files/1/0434/1409/3986/files/a_scan_eye.pdf
    • https://static.usrfiles.com/ugd/b8c837_a7318f5f86d74ce6b90b071dcefc3fb6.pdf
    • https://static.usrfiles.com/ugd/97634b_f22c62d9b3a047f1b63f799a945a74b2.pdf
    • https://static.usrfiles.com/ugd/b8c837_d9d62826f4c943ec927b97478bc63ef4.pdf
    • https://static.usrfiles.com/ugd/b8c837_9d3e9abb2b6948a4a38ce6d4ba5f8abb.pdf
    • https://static.usrfiles.com/ugd/b8c837_a910ebb2b4f94c85bd93113981655c12.pdf
    • https://static.usrfiles.com/ugd/b8c837_9aa06bbc0fc2415db93f5d392d6eafc3.pdf
    • https://static.usrfiles.com/ugd/b8c837_f6f038eb6dce4d23bb1f7da16ae09421.pdf
    • https://static.usrfiles.com/ugd/b8c837_a46e307927524d7b918de77948ad4da4.pdf
    • https://cdn.shopify.com/s/files/1/0427/4136/6951/files/52621868542.pdf
    • https://cdn.shopify.com/s/files/1/0437/9607/0549/files/885503.pdf
    • https://cdn.shopify.com/s/files/1/0435/7488/6563/files/centurion_gate_motor_manual_programming.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_off00004f32.bin
890718019ead062d107598530f7b725fffc1cbbe0bbe64b7ee5b864b5fa3989d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F32 5168 bytes
font_01_sfnt_off000060db.bin
d07e9805f36351282fc5edbb2cedb58e494e9e1b15710c22102d6ef75464000a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60DB 13340 bytes

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