Malicious PDF — malware analysis report

Static analysis result for SHA-256 94157556994f7bf6…

MALICIOUS

PDF

406.5 KB Created: 2022-01-09 03:49:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 6ca246c094c6efb03555d657a0970508 SHA-1: d602c58cf7ddc8b105c40b9615b93ee77b1cc8b9 SHA-256: 94157556994f7bf68f3135141fe3b473265f437cb812b8de5f43d9afa0a6951c
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7525

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://chcial.ru/uplcv?utm_term=reliability+availability+maintainability+and+safety+assessment+pdf PDF link annotation
    • https://profesa.net/userFilesfile/4019135303.pdfIn PDF document text
    • http://nbaindia.nic.in/includes/ckeditor/plugins/kcfinder/upload/files/fowotojevuwunikowaliwana.pdfIn PDF document text
    • http://naturallabs.de/userfiles/file/53467206013.pdfIn PDF document text
    • http://ashole.hu/UserFiles/File/95616961026.pdfIn PDF document text
    • http://phuongdonggolf.vn/app/webroot/uploads/files/rojefaviwiserulirujat.pdfIn PDF document text
    • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/02pgvsiuul82bmok69hcq05gui/78222802158.pdfIn PDF document text
    • http://studioarchoggianiepartners.it/userfiles/files/zadekukunokevip.pdfIn PDF document text
    • http://peknanevesta.sk/media/file/mexilunokamiwegajudit.pdfIn PDF document text
    • https://alinassociates.com/assets/kcfinder/upload/files/718745940.pdfIn PDF document text
    • https://mygoaltv.com/ipp/images/uploads/files/9169143794.pdfIn PDF document text
    • https://www.rapn.ru/ckfinder/userfiles/files/87403083783.pdfIn PDF document text
    • https://bokaichenyu.com/upload/files/93837496516.pdfIn PDF document text
    • https://egyptsuntours.com/userfiles/files/63797337891.pdfIn PDF document text
    • https://jpt.mysmartedu.com/uploadimages/files/70375804241.pdfIn PDF document text
    • http://rcchoir.nl/upload/files/tonezetigixisisedusupam.pdfIn PDF document text
    • http://www.bash.cl/media/file/kojijejiwuzujemidafonur.pdfIn PDF document text
    • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/ncrb33fo6bo38tu8keqs3u9526/sivimovoxorugisizelijipoj.pdfIn PDF document text
    • http://jiducn.com/userfiles/aa/file///lumatifinufatixutamap.pdfIn PDF document text
    • http://njbeihang.com/uploadfile/file///2022010414453752.pdfIn PDF document text
    • http://myslizdrave.com/soubory/79817808457.pdfIn PDF document text
    • http://caycanhtuyhien.com/uploads/image/files/87355147999.pdfIn PDF document text
    • http://a-kamen.com/userfiles/file/napapog.pdfIn PDF document text
    • https://svetplus.com/userfiles/files/subewatakopexofinexopewi.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005ef69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF69 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0006060d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6060D 10804 bytes
SHA-256: 9cfabbe61cbecaf78a6ad8860293a5aef302803b029563f06ac314f9dbd10fd3
font_02_sfnt_off00061ebb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61EBB 16820 bytes
SHA-256: 4acfa2ca68fc0d71f4b6d49fa8e6e8481cd291bd3e6c9e5fe51b71c0bd223d35

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