Malicious PDF — malware analysis report

Static analysis result for SHA-256 e97b067459b27926…

MALICIOUS

PDF

41.2 KB Created: 2020-09-03 01:25:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e69166e5a447ae9ec14d84ac37dc4cf SHA-1: 3209d102a4c35655f2b46e307f38931b41dbc5f9 SHA-256: e97b067459b27926bdf2190c4f0231a0d3de9486b86cdb6406d8896f8c49d39c
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at https://ttraff.com/pify?keyword=anabasis+pdf+t%25C3%25BCrk%25C3%25A7e is part of known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic further suggests a large number of outbound links, many pointing to benign-looking PDFs hosted on platforms like Shopify and usrfiles.com, likely as a distraction or to appear legitimate. The document body itself is heavily obfuscated and contains the malicious URL, reinforcing the redirection attempt.

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/pify?keyword=anabasis+pdf+t%25C3%25BCrk%25C3%25A7e
    • https://static.usrfiles.com/ugd/b8c837_ba72726db6d242e382f4f23ff7a5cbe3.pdf
    • https://static.usrfiles.com/ugd/b8c837_1912008e4c8546aa9b30955685f1136e.pdf
    • https://static.usrfiles.com/ugd/0cd019_e1b5f208a9e648a78844211ac77a3311.pdf
    • https://cdn.shopify.com/s/files/1/0434/9581/7382/files/66183515600.pdf
    • https://cdn.shopify.com/s/files/1/0439/0112/4760/files/zadoreneli.pdf
    • https://cdn.shopify.com/s/files/1/0433/6081/3208/files/nuketugumag.pdf
    • https://static.usrfiles.com/ugd/f14cf6_93cbf35665164f599374ecf019b00bc1.pdf
    • https://static.usrfiles.com/ugd/b8c837_119944b4b5ee4258828b5250fe89c084.pdf
    • https://static.usrfiles.com/ugd/2072cd_9386c9c18e5e43b584201c598530f7be.pdf
    • https://cdn.shopify.com/s/files/1/0434/5063/0296/files/jafuvisobilisagekafixamej.pdf
    • https://cdn.shopify.com/s/files/1/0436/1610/8707/files/stages_of_counselling_process.pdf
    • https://cdn.shopify.com/s/files/1/0428/7892/7011/files/eve_s_apology_defense_of_a_woman.pdf
    • https://cdn.shopify.com/s/files/1/0429/3630/3782/files/87756388619.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_off00005f96.bin
be27f87fe60b818cd4d0f2119bd09601ef0f97daa43a4c9aeae7ba04e959f184		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F96 5500 bytes
font_01_sfnt_off00007227.bin
48e2ec97af0e6f7a25e19235345559463ab36ccea74aaae615ec8a57b6952684		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7227 11572 bytes

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