Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7ec83a0a7d1796…

MALICIOUS

PDF

291.1 KB Created: 2022-05-04 12:18:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 55ad6b232520578615a24cef36519729 SHA-1: f1999096c7d504192dcba4cf9c811f72d36b7ad7 SHA-256: cd7ec83a0a7d179633f8be250d1c3aea0c8c1d6537102551721fe5069d1b35f2
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5694

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://sunuf.co.za/XSRYdR1H?utm_term=letterhead+template+multiple+addresses+pdf+downloads+free PDF link annotation
    • http://nikkenj.com/userfiles/file/morokulegejofebija.pdfIn PDF document text
    • http://geoplan.su/userfiles/file/3096078172.pdfIn PDF document text
    • https://jaukiaplinka.lt/ckfinder/userfiles/files/dasaxugewinatezojapejutug.pdfIn PDF document text
    • https://amthanhanhsangchinhhang.vn/upload/files/67531763318.pdfIn PDF document text
    • http://unite-chem.com/upload/files/69989126542.pdfIn PDF document text
    • http://timnhanhonline.vn/upload/files/73387164589.pdfIn PDF document text
    • https://www.datacom.com.br/assets/admin/ckeditor/kcfinder/upload/files/73179959972.pdfIn PDF document text
    • https://luxesystem.site/js/ckfinder/userfiles/files/14606471028.pdfIn PDF document text
    • http://proleague.dk/userfiles/file/vedatorabodiwexedi.pdfIn PDF document text
    • https://bizuzekibokosu.weebly.com/uploads/1/3/4/4/134446479/kidoniri.pdfIn PDF document text
    • https://xepuxewezikute.weebly.com/uploads/1/3/4/4/134437058/xagisotifagigij-desixozo-dapepifubiwu-suwisijexoseja.pdfIn PDF document text
    • https://bedexupef.weebly.com/uploads/1/3/0/7/130775630/vijamojufitil_malusululoraz_nuvujizex.pdfIn PDF document text
    • https://vattuhoangbuu.com/upload/files/kofikajobubeve.pdfIn PDF document text
    • http://cdseoulps.com/uploadfile/fckeditor/file/873605756.pdfIn PDF document text
    • http://gzcil.com/uploadfile/files/30876932566.pdfIn PDF document text
    • http://tiquital.com/documentos/file/72433495449.pdfIn PDF document text
    • https://bimstudioinc.com/media/files/10983739815.pdfIn PDF document text
    • https://pudasebedizut.weebly.com/uploads/1/3/4/5/134587980/8594259.pdfIn PDF document text
    • https://mofafodoler.weebly.com/uploads/1/3/0/8/130874416/8c564e8f.pdfIn PDF document text
    • https://lijafaxad.weebly.com/uploads/1/3/5/9/135989690/taliwijevureg.pdfIn PDF document text
    • http://pneusmarene.it/images/file/93793168941.pdfIn PDF document text
    • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16206d75cd8576---61758230472.pdfIn PDF document text
    • http://transporteslaplata.com/imagenes_web/file/rigemup.pdfIn PDF document text
    • https://xasomagefer.weebly.com/uploads/1/4/1/3/141362664/8426718.pdfIn PDF document text
    • https://mekilogeb.weebly.com/uploads/1/3/0/7/130775247/4d2f1b9e.pdfIn PDF document text
    • https://binewetakug.weebly.com/uploads/1/3/5/3/135326509/rageze-wijazeb-sunopawigaxuj.pdfIn PDF document text
    • https://musicalfamilytree.com/files/tosaxobezofomad.pdfIn PDF document text
    • https://www.smartfutureexpo.com/ckfinder/userfiles/files/goxefawet.pdfIn PDF document text
    • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/162309be3d6fbf---lepalinasuzisaruduxutu.pdfIn PDF document text
    • http://hadjtaharsteel.com/app/webroot/js/kcfinder/upload/files/32639802489.pdfIn PDF document text
    • https://vaitinhdien.com/app/webroot/upload/files/79669567488.pdfIn PDF document text
    • http://faceti.es/fil/ckFiles/files/tazigexobev.pdfIn PDF document text
    • http://centre.annuaire-regional.com/ckfinder/userfiles/files/wurudewovovu.pdfIn PDF document text
    • http://labradory.pl/file/wokupujubumebodenekudi.pdfIn PDF document text
    • https://suwutijotelites.weebly.com/uploads/1/3/6/0/136083726/kexomofikefix.pdfIn PDF document text
    • http://fabellomobilya.com/app/webroot/kcfinder/upload/files/36791565493.pdfIn PDF document text
    • https://winalefumigis.weebly.com/uploads/1/3/1/4/131437210/3ce0542845763.pdfIn PDF document text
    • https://vefopazakimojin.weebly.com/uploads/1/3/4/3/134348085/4168600.pdfIn PDF document text
    • https://porimejonawi.weebly.com/uploads/1/3/4/3/134368737/xodawi-pamulolixag.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_off00041642.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41642 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00042e59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42E59 10904 bytes
SHA-256: f2bbf2cfc8a0afdc4ebf469d436d29da9597951c83dc5433d5a7537a0b0dbf61
font_02_sfnt_off0004476b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4476B 19628 bytes
SHA-256: 3bff9723ba7c332739cb68b1895c909684af67113dad3b71220308819297a28e

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