Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d88a356613f8d50…

MALICIOUS

PDF

481.8 KB Created: 2022-01-17 23:14:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 8ebea7f160003539c5eb71630d0acd80 SHA-1: 55fc1ff6a7595b31c93a0c398e18bab56b8d415f SHA-256: 5d88a356613f8d50a4042f2305e43c6e61f6d9403f43e19a2f2b6c272227899b
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4741

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 http://architettipassarinmarzotto.com/userfiles/files/85817857700.pdf In PDF document text
    • http://wildzipper.com/clients/wildzipper/userfiles/file/finixofitonimagojewatoxo.pdfIn PDF document text
    • https://coastalholidayproperty.com/ckfinder/userfiles/files/61305895181.pdfIn PDF document text
    • https://hoavily.com/uploads/files/gumidadadu.pdfIn PDF document text
    • https://rioclaro.com.co/kcfinder/upload/files/somobexuka.pdfIn PDF document text
    • http://zit-tech.com/userfiles/files/90857719338.pdfIn PDF document text
    • https://xuantruongtech.com/images/ckeditor/files/segarepidebixazulebo.pdfIn PDF document text
    • http://embody.box8websites.com/ckfinder/userfiles/files/lelilivegesisibo.pdfIn PDF document text
    • https://almudenafernandez.co/ckfinder/userfiles/Files/36213457145.pdfIn PDF document text
    • https://mariellatriolo.it/public/file/56088029901.pdfIn PDF document text
    • http://saopauloairporttransfers.com/ckfinder/userfiles/files/95887935952.pdfIn PDF document text
    • http://fli.edu.mn/ckfinder/userfiles/files/duzemodilewaredami.pdfIn PDF document text
    • http://perfekttorun.pl/pliki/gaxunodugavafetirizegu.pdfIn PDF document text
    • http://chin.getrade.net/uploadfiles/file/39110963973.pdfIn PDF document text
    • http://www.macrolepidoptera.hu/userfiles/files/mabapodonanaxiram.pdfIn PDF document text
    • http://bojovesporty.cz/userfiles/file/68246249657.pdfIn PDF document text
    • https://houstoncoinclub.org/FCKeditor/file/48190407351.pdfIn PDF document text
    • https://calson.garment-pro.com/ckfinder/userfiles/files/xilarurufanefelopo.pdfIn PDF document text
    • http://cwesp.biz/upload/file/kajopekujusubi.pdfIn PDF document text
    • https://skvely-kup.cz/files/file/76037965197.pdfIn PDF document text
    • http://sgd42.ru/userfiles/file/pamutegatemigifutozo.pdfIn PDF document text
    • http://mai-colle.jp/userfiles/file/28958095742.pdfIn PDF document text
    • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/61608d51d817a3a38ee234bed185367c/vakutinidikugeluvuvipute.pdfIn PDF document text
    • http://filmovani.eu/img-content/files/88662550457.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/896FEnmJZlk/uplcv?utm_term=androides+sonham+com+ovelhas+el%C3%A9tricas+epubPDF link annotation
    • 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_off000715fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x715FD 19060 bytes
SHA-256: 0e751543ee8ab177fc2f8e98c3401f896a449e593d3f0c03fe520f0353700de2
font_01_sfnt_off00074551.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74551 11220 bytes
SHA-256: fa82d3ae303dab4a9adebf01289cc9f929915106dc3f516dc05ab960fbc8569a
font_02_sfnt_off00075ee8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75EE8 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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