Malicious PDF — malware analysis report

Static analysis result for SHA-256 836a1f585c12ae11…

MALICIOUS

PDF

39.6 KB Created: 2020-10-05 19:22:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: caddb6fb958ec4a4386cbdb46433424d SHA-1: 5d7003d2cc348d6ba11067a60c8c73363feeef5a SHA-256: 836a1f585c12ae1159269b47c6ff7ebfd0ac7e1f0d794e20c18a01c8953888ad
92 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://gettraff.ru/strik?keyword=ail+aille+eil+eille+euil+euille+ce2 In PDF document text
    • http://files.cre8ivecake.com/uploads/1/3/1/6/131636727/sonoxij-xutakexoxetome-birojekol.pdfIn PDF document text
    • http://woboti.salinakennelclub.com/uploads/1/3/0/8/130874388/zawokulura.pdfIn PDF document text
    • http://mejar.waxologysalon.co.uk/uploads/1/3/1/1/131163660/6530099.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4692/0615/files/xukemixamuzik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0350/9914/files/art_of_conquest_ios_guide_lich.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/2028/2774/files/85649698882.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eed70fde-a38c-4f72-9783-6cea99a15690/24930371579.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7732039c-7be8-4850-8715-ad9e9fa27d72/potijetumafifutijekisuxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1eb8893-cbec-41ad-97bd-9dcc1340a40c/lufad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b89799ad-9c98-456c-85d0-83e5cd48d31a/xeguvomusizuruvogipimivor.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006be8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE8 4640 bytes
SHA-256: 10fa0e2506c59ae35b16edaac953aab20b1db01f8ff7b9fa93e583afcc122ea3
font_01_sfnt_off00007bc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BC4 12360 bytes
SHA-256: a6218e5a75a971c6de2a7c4a8eb52fb894c7ce573fda597136fa7c7948d84b8b

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