Malicious PDF — malware analysis report

Static analysis result for SHA-256 2768d4c54534953d…

MALICIOUS

PDF

66.3 KB Created: 2020-08-30 14:08:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b08547f60effc52a61dd69088d975a58 SHA-1: 692e7169d3bbc565b0849d7e05040866a0148136 SHA-256: 2768d4c54534953dc4e9cb17f4ce6c51ccf516683888089123ecbf82d6431d2f
150 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF link farm pointing to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.link/wix?keyword=analisis+do+poema+salicio+e+nemoroso, which likely serves as a gateway to further malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.link/wix?keyword=analisis+do+poema+salicio+e+nemoroso
    • https://cdn.shopify.com/s/files/1/0437/1926/2363/files/donate_formal_wear_near_me.pdf
    • https://cdn.shopify.com/s/files/1/0438/1576/4125/files/kefonezupa.pdf
    • https://cdn.shopify.com/s/files/1/0434/9899/5878/files/how_to_indent_in_discord.pdf
    • https://cdn.shopify.com/s/files/1/0429/7749/3146/files/cleenol_lift_wax_free_polish_data_sheet.pdf
    • https://static.usrfiles.com/ugd/7f46b5_1efa3239383d406e9b8217f1c29b8721.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef6a5554ca4744a995576b1ca1b073ef.pdf
    • https://static.usrfiles.com/ugd/e5cbe5_bb177649dc044bba8bbb3c23ac883ea5.pdf
    • https://static.usrfiles.com/ugd/b8c837_f78a73b69802460994f2350c47da489b.pdf
    • https://static.usrfiles.com/ugd/f46427_4802a83f92714063b301ac0e4b6bc8c6.pdf
    • https://static.usrfiles.com/ugd/b8c837_ecbe5f3d2f834043aba58948919d143d.pdf
    • https://static.usrfiles.com/ugd/82e28d_5e89dcfdf69b4ce68131d034fc623a22.pdf
    • https://static.usrfiles.com/ugd/b8c837_8c79d1e4fec24a21b436b33c2cb6f765.pdf
    • https://static.usrfiles.com/ugd/b8c837_fe3ad3691c69446e99434898114ace54.pdf
    • https://static.usrfiles.com/ugd/b8c837_0887dcaaabfa42f485b4679c9130eee4.pdf
    • https://static.usrfiles.com/ugd/158fb9_814a0a0d0c9240a398f455167cda104d.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_off0000c4c4.bin
7e53e682b7778d27b8957ea7c752bbbfe678d03b3c6eddc069c5936a5e4b6fa8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4C4 5208 bytes
font_01_sfnt_off0000d659.bin
626dacd7517b7912a56df23ae181f0918c72ad5331982a77c0875db81f8df56c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD659 11136 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.