Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd71938ebe3bb047…

MALICIOUS

PDF

73.4 KB Created: 2022-04-10 10:44:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 70f75978e10f8be5755d95387c4e17bf SHA-1: 872cee109da8a016460927e0f1460a96444a6b6d SHA-256: cd71938ebe3bb047ac932c0e2fc9fdec6a0e76c59e9ddc31e6d132407963667f
154 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://yubit.co.za/YmrXLWy8?keyword=norelco%205000%20multigroom PDF link annotation
    • http://jsqnchem.com/upload/files/84133625297.pdfIn PDF document text
    • http://www.mkfilm.it/ckeditor/kcfinder/upload/files/29159655715.pdfIn PDF document text
    • https://jumomemokipus.weebly.com/uploads/1/3/0/8/130874307/lisinapovijajeve.pdfIn PDF document text
    • https://soechi.net/userfiles/file/5843496580.pdfIn PDF document text
    • https://woxisuxifajise.weebly.com/uploads/1/3/5/4/135400236/jowozez-meferesofamolax.pdfIn PDF document text
    • https://wusinetowaje.weebly.com/uploads/1/3/4/4/134471696/1341185.pdfIn PDF document text
    • https://sardiniagreencoast.com/userfiles/file/21902473432.pdfIn PDF document text
    • http://9topia.com/js/kcfinder/upload/files/xokapawozisar.pdfIn PDF document text
    • https://cissud.it/uploads/ck_editor/files/godokowibexunupulategin.pdfIn PDF document text
    • http://clair-environnement.eu/catalogue_dynamique/file/pemelisijapure.pdfIn PDF document text
    • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/84707552723.pdfIn PDF document text
    • http://logicamail.it/draft/media/kinaki.pdfIn PDF document text
    • https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/ruzepewow.pdfIn PDF document text
    • https://ranilabat.weebly.com/uploads/1/3/5/9/135999147/4243217.pdfIn PDF document text
    • https://bodegoncriollo.com/userfiles/file/1464214501.pdfIn PDF document text
    • https://bawapumur.weebly.com/uploads/1/3/4/4/134466187/pifos.pdfIn PDF document text
    • https://bezodidamivozel.weebly.com/uploads/1/3/2/6/132683328/zugal.pdfIn PDF document text
    • http://gdi-fr.com/upload/upload/vuxipuzoximupawej.pdfIn PDF document text
    • https://mupififidimob.weebly.com/uploads/1/3/4/2/134234858/118d3905e3dfb.pdfIn PDF document text
    • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/1adb1b092e6815ca600d2400b51e96b5/gipalabadexi.pdfIn PDF document text
    • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16204d7489c7b9---75976119246.pdfIn PDF document text
    • http://prometric.ir/admin/upload/files/kepitoxefeluduwebidurito.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_off0000b9a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9A4 10472 bytes
SHA-256: b35330514e3762776b24f356ac4bbc98c67ec0b3021e54a24a66b9ec7dd862a1
font_01_sfnt_off0000d185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD185 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e997.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE997 16828 bytes
SHA-256: fbf7a421f1c5e217e9d8c865d44969fb54b9cd3379569c4fef36b042bbeae4c1