Malicious PDF — malware analysis report

Static analysis result for SHA-256 d26ab554d9d626e0…

MALICIOUS

PDF

32.0 KB Created: 2020-11-01 06:16:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e67cc7cdc81783d8ccb558a84263b7fd SHA-1: 0e22a0d7664ab810e685daedffb6ea53f87dd006 SHA-256: d26ab554d9d626e0f817987b0adf4b9f338017746d011204c17bcf49257b6df3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'https://ttraff.link/123?keyword=fist+to+five+consensus' is the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link suggests an attempt to lure the user to a harmful site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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.link/123?keyword=fist+to+five+consensus
    • https://cdn-cms.f-static.net/uploads/4413583/normal_5f97afabbced4.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/pibajuwi/wavasufuxafovux.pdf
    • https://cdn.shopify.com/s/files/1/0494/7591/1847/files/pile_boring_machine.pdf
    • https://cdn.shopify.com/s/files/1/0504/9453/7898/files/baidu_wifi_hotspot_2020_apk.pdf
    • https://uploads.strikinglycdn.com/files/5e99a198-f62b-46b3-abed-9e821ee20b3f/duplicate_records_in_salesforce_report.pdf
    • https://s3.amazonaws.com/sugosubexez/14053262079.pdf
    • https://cdn.shopify.com/s/files/1/0501/6361/3853/files/55148045663.pdf
    • https://cdn.shopify.com/s/files/1/0478/3754/4607/files/61713609506.pdf
    • https://cdn.shopify.com/s/files/1/0505/4126/5061/files/clash_of_magic_hack_version_apk_download.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000597c.bin
a6084e8df1a95f5d73ca64e85727532a07d49cc6038518cd9487ab3978b3cf11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x597C 4552 bytes

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