PDF static analysis report

Static analysis result for SHA-256 6a9bd4f9cd0f2844…

SUSPICIOUS

PDF

68.0 KB Created: 2020-12-28 12:50:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 0912f76ebbd0aa894970261057968c88 SHA-1: 94a24ca78370379f253600fbbe266533b364b964 SHA-256: 6a9bd4f9cd0f2844f8666b57c38c94eed5cba0a1a2d0eb13a0c45e53de5dd535
36 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains an embedded URL that points to a suspicious domain, likely intended for malicious redirection. The ML classifier strongly flagged this PDF as malicious, and the presence of an external URI heuristic further supports this assessment. No scripts were extracted, but the overall structure and heuristics indicate a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://traffking.ru/strik?utm_term=share+letterboxd+profile PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4468837/normal_5fa8ef7cd83c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451766/normal_5fba7824145a2.pdfIn PDF document text
    • https://cdn.sqhk.co/nezusoxe/hbjayjf/msc_for_me_wristband_plus.pdfIn PDF document text
    • https://vuvugero.weebly.com/uploads/1/3/2/7/132710729/worus_kijobebuzulun.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405641/normal_5f95448208230.pdfIn PDF document text
    • https://mivegogoke.weebly.com/uploads/1/3/4/3/134365655/kowowigowexe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465131/normal_5fcd7f7a7980d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/viwoxuz/halloween_worksheets_for_preschool.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/derewe.pdfIn PDF document text
    • https://s3.amazonaws.com/votawawo/free_movies_apk_android.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

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_off0000cc12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC12 5260 bytes
SHA-256: 0988cde874d98d01fa6ad91dab6094b66c65d06980869f7cc63ca2901bc158f7
font_01_sfnt_off0000ddeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDEB 11136 bytes
SHA-256: f1dbef1f6d31fa1bcfc07758282627f4f6709431011492e93e7ae1b402365eeb

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