Malicious PDF — malware analysis report

Static analysis result for SHA-256 b61f673ef0d83d08…

MALICIOUS

PDF

300.7 KB Created: 2022-04-08 07:50:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: b2e809265a1ee6ee6a99d690a7ff5600 SHA-1: c4f090677b11699a6616351e763e96ffe4f37bb6 SHA-256: b61f673ef0d83d0844671c349a5d74a787814e9b29a3ecfa185f9ec2ad40b05e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7511

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://norin.co.za/XSRYdR1H?utm_term=what+works+on+wall+street+4th+edition+pdf+download PDF link annotation
    • http://intproplaw.com/admin/uploads/file/40501522696.pdfIn PDF document text
    • http://alchevsk.topmebli.com/content/xuploadimages/file/77093701044.pdfIn PDF document text
    • https://mavieromantique.com/images/files/67497716318.pdfIn PDF document text
    • https://lutigasudubuwa.weebly.com/uploads/1/3/2/6/132695203/09798.pdfIn PDF document text
    • https://pobowapikojuga.weebly.com/uploads/1/3/4/9/134903403/f346504f6.pdfIn PDF document text
    • https://ziroluberunoreg.weebly.com/uploads/1/3/4/4/134456507/8309577.pdfIn PDF document text
    • http://imobilestore.de/userfiles/file/46065848081.pdfIn PDF document text
    • http://shhyi.com/hysy/WebFiles/file///2022021623315641.pdfIn PDF document text
    • https://zewevenetox.weebly.com/uploads/1/3/4/4/134477768/rozaz-rawigo.pdfIn PDF document text
    • http://gelateriacool.it/userfiles/files/vazadowadeze.pdfIn PDF document text
    • https://budasanufewe.weebly.com/uploads/1/3/5/3/135323580/regutopamit_tetifufilajare.pdfIn PDF document text
    • https://kujofajatoniw.weebly.com/uploads/1/3/1/4/131406813/1155108.pdfIn PDF document text
    • https://kizubunutasi.weebly.com/uploads/1/3/5/3/135348794/gowovunisetevuwiwaji.pdfIn PDF document text
    • http://arndt-fahrschule.de/userfiles/file/26233166801.pdfIn PDF document text
    • https://wefopizek.weebly.com/uploads/1/3/4/8/134849363/sonepodo.pdfIn PDF document text
    • https://dofukuligofevo.weebly.com/uploads/1/3/4/8/134869200/gopakuponozibaxovaf.pdfIn PDF document text
    • https://vesexifog.weebly.com/uploads/1/3/4/4/134491049/5573396.pdfIn PDF document text
    • https://www.oalysa.cz/ckfinder/userfiles/files/rumukowabut.pdfIn PDF document text
    • https://wusukinepazewa.weebly.com/uploads/1/3/4/3/134372908/1a01497e8a8a52d.pdfIn PDF document text
    • https://dixawofira.weebly.com/uploads/1/3/5/3/135303501/tijeferadezawuzijipo.pdfIn PDF document text
    • https://kofifemox.weebly.com/uploads/1/3/1/4/131454106/tepakixi_poxuze_paxojorimesaru.pdfIn PDF document text
    • https://mufisifarugevap.weebly.com/uploads/1/3/4/5/134595961/tifazizuzoduzov.pdfIn PDF document text
    • https://safesawugu.weebly.com/uploads/1/3/2/8/132814337/wixufekuvifep.pdfIn PDF document text
    • https://risegutu.weebly.com/uploads/1/3/4/2/134265716/6532337.pdfIn PDF document text
    • https://speculatio.in/userfiles/file/67839890895.pdfIn PDF document text
    • https://ruwadegefanum.weebly.com/uploads/1/3/4/1/134108857/werexusap.pdfIn PDF document text
    • http://dsacare.com/admin/uploads/file/61733692016.pdfIn PDF document text
    • https://yello.gazzeta-group.cz/userfiles/file/kelaminipijiperurefex.pdfIn PDF document text
    • https://mufirurinonezu.weebly.com/uploads/1/3/4/6/134669904/gepitukizivam-monobedajaj-vezowefut.pdfIn PDF document text
    • https://3territoires.kopro.fr/userfiles/file/xalirofotu.pdfIn PDF document text
    • http://stsmcc.org/www/js/ckfinder/userfiles/files/80650436862.pdfIn PDF document text
    • https://www.xtraordinaire.org/web/kcfinder/upload/files/67895138398.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 extracted file (font_00_sfnt_off00044379.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00044379.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00044379.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44379 17656 bytes
SHA-256: ebac031ac247a044e22a8eb4bed11e4fdf5c94940d1e4b838d973a890b5b6d23
font_01_sfnt_off00047148.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47148 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0004895f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4895F 10844 bytes
SHA-256: be82d70cd6b2553cff5c78ef94b9a355cd3ca34732f6aaf3d8bcb2ab73a51a84