Malicious PDF — malware analysis report

Static analysis result for SHA-256 0edf23ea5fad6299…

MALICIOUS

PDF

67.0 KB Created: 2021-03-17 09:34:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a633fb22e9f055ed6a420aa49093fc05 SHA-1: 783ff57263d2c2bdb53b82aea9c80e7c5bf2c559 SHA-256: 0edf23ea5fad6299949b9c45f0d5761dae975ebaf987541c7abe9e9732f615b3
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, and contains numerous embedded URLs. One prominent URL, 'https://xajibur.ru/award?keyword=allianz+health+insurance+claim+form+pdf', suggests a phishing lure related to insurance claims. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host many links on disposable domains, likely to obscure malicious destinations. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://xajibur.ru/award?keyword=allianz+health+insurance+claim+form+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4387589/normal_6004779e6545e.pdfIn PDF document text
    • http://ravovenovibu.medianewsonline.com/the_communist_manifesto_book_pages.pdfIn PDF document text
    • http://saroforati.medianewsonline.com/bapodisonakin.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501514/normal_604b3946d986c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387582/normal_6040ec494a228.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368219/normal_5ffebfe66ea34.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/64329526558.pdfIn PDF document text
    • https://s3.amazonaws.com/taguxif/cv_template_design_freepik.pdfIn PDF document text
    • http://laulu-go.ru/gizupotasirifap40jqj.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/garmin_2555lmt_price.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386830/normal_602bea9ee147b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402938/normal_60314d9d89f2d.pdfIn PDF document text
    • http://wizapivizesib.mygamesonline.org/antony_and_cleopatra_summary_download.pdfIn PDF document text
    • http://qunit.space/6725316572693s89.pdfIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/zozotesapasi.pdfIn PDF document text
    • http://swast-group.website/blacksmithing_guide_classicbpjh7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472788/normal_6050c71eacb89.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gafodix.myartsonline.com/carrier_weathermaker_9200_will_not_ignite.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4978596a-ed0a-49fa-a9f6-bddd90b905dd/55792959624.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be20a36b-4d02-4210-918b-7d4f6f1b39ea/how_does_apneic_oxygenation_work.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7bebb192-9b69-498a-8ab0-a2be3a9aabf8/narawobopa.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_off0000cae0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAE0 5432 bytes
SHA-256: 6505c42e0a2de2e8b349bf8dec05241d669499e230b85b94e8bbb043290902ed
font_01_sfnt_off0000dd37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD37 9824 bytes
SHA-256: 1bf1f3263032dd8c7245d105afdddecc6a6098397e139535ff978cbe17871300

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