Malicious PDF — malware analysis report

Static analysis result for SHA-256 72bcaf7550fdc571…

MALICIOUS

PDF

227.9 KB Created: 2022-03-15 13:35:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: c0c923c16e7979edc66d4d88bb0c6bd4 SHA-1: 37dc92bbb5b8a9a5e6221abde11a3f545ed8ff37 SHA-256: 72bcaf7550fdc571cdae77e07f0f0376a5586f1174a6870df90070d30914ebb0
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7901

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://lovig.co.za/XSRYdR1H?utm_term=analogy+synonym+pdf PDF link annotation
    • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/57e00d5ee77adef0603ff4a7b241187c/55137062193.pdfIn PDF document text
    • http://www.conepe.org.br/public/ckeditor/kcfinder/upload/files/12340428036.pdfIn PDF document text
    • https://metaviaggi.it/userfiles/file/mawenuvolorilixobuv.pdfIn PDF document text
    • https://steyr-mannlicher.hu/admin/kcfinder/upload/files/berolajajabajo.pdfIn PDF document text
    • https://pecel-piok.hu/images/files/pagabot.pdfIn PDF document text
    • http://matrix-work.com/uploads/files/26846532769.pdfIn PDF document text
    • http://mindatpeace.us/uploads/files/lagejav.pdfIn PDF document text
    • http://damnoen.com/ckfinder/pho/files/26285924920.pdfIn PDF document text
    • https://silky.ae/images/bulk_images/files/kuvifesoxiv.pdfIn PDF document text
    • http://dwornawodzie.pl/userfiles/file/pezajiwatisazemaxogawilu.pdfIn PDF document text
    • http://siblom.ru/files/upload/file/92503154107.pdfIn PDF document text
    • http://comfortreality.sk/userfiles/file/65733431272.pdfIn PDF document text
    • http://dakdekkersindex.nl/images/uploads/4006349491.pdfIn PDF document text
    • https://modellszerviz.hu/userfiles/file/jikurasixudizavit.pdfIn PDF document text
    • https://guijek.com/userfiles/file/mozizewoguk.pdfIn PDF document text
    • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/7199f9dc9171fa86e67842629538eb69/13589510503.pdfIn PDF document text
    • http://www.wiseyoga.nl/kcfinder/upload/files/lemenometidox.pdfIn PDF document text
    • http://gaia-onlus.org/userfiles/file/lisupogoduveb.pdfIn PDF document text
    • http://akvari-um.ru/userfiles/file/40164695579.pdfIn PDF document text
    • https://heatingboiler.ca/fck_upload/file/85091532384.pdfIn PDF document text
    • http://bc-nosingtasting.com/bestanden/files/rotulegopezefuj.pdfIn PDF document text
    • http://closehorses.com/userfiles/file/xixekewejiv.pdfIn PDF document text
    • http://www.annaleehuber.com/content_files/file/nuvoxogosivafewomovesaw.pdfIn PDF document text
    • https://businesslife.com/content/file/lezeperurepigegefovi.pdfIn PDF document text
    • http://legrand-valena.su/kcfinder/upload/files/sodidigakizox.pdfIn PDF document text
    • http://konyaozgunmobilya.com/userfiles/file/debadanu.pdfIn PDF document text
    • http://www.pzkexie.com/up_files/file/58780878951.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_off00031f31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F31 18540 bytes
SHA-256: b9ee567f20ee0ab359df7ba3f9a0542509b98b51bc5c196cebaccbec4e0b21f5
font_01_sfnt_off00034f60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34F60 10516 bytes
SHA-256: 33399b52a5d4695fefc6e5e6716dd95b201a38f2f2e0954108a7154a536a5a92
font_02_sfnt_off00036721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36721 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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