Malicious PDF — malware analysis report

Static analysis result for SHA-256 d26532aa93f29852…

MALICIOUS

PDF

101.5 KB Created: 2022-06-04 03:03:15 Authoring application: Free Photography Forms Templates For Photographers rohs (via FPDF 1.82) First seen: 2022-07-15
MD5: 136315bff017e3dae3cda913c4f8aa10 SHA-1: c55ae7b61d1bbd182b2e5216535ebadb73c5e54f SHA-256: d26532aa93f29852c68256b05dd8b489b4d64ac471fd2832936a5b1cd0d3a039
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded and invisible links designed to trick the user into downloading a malicious file. The heuristic 'PDF_REPEATED_PAYLOAD_LINK_LURE' indicates that these links repeatedly point to the URL http://onboardlookup.site/Free-Photography-Forms-Templates-For-Photographers/pdf/iwholesalemeds.com, which likely serves as a downloader for a second-stage payload. The presence of multiple URLs suggests a broad phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

Heuristics 2

  • Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE
    PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
  • 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 http://onboardlookup.site/Free-Photography-Forms-Templates-For-Photographers/pdf/iwholesalemeds.com
    • http://onboardlookup.site/Free-Photography-Forms-Templates-For-Photographers/doc/iwholesalemeds.com
    • https://iwholesalemeds.com/wp-content/uploads/formidable/3/diabetes-treatment-protocol-in-the-mergency-department.pdf
    • https://iwholesalemeds.com/wp-content/uploads/formidable/3/beauty-salon-business-plan.pdf
    • https://iwholesalemeds.com/wp-content/uploads/formidable/3/iowa-home-football-schedule.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_014_off00018a76.bin
43b13684882d332187dbe2691d5e4f64c33a98e381a4dc2316374ba1b923b47c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x18A76 76950 bytes

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