Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3b0e7cb8a763a3…

MALICIOUS

PDF

350.3 KB Created: 2022-01-24 14:59:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 14b0f7721426d07ea9e7d9f04f993990 SHA-1: 6ca14353ffa03d55878f8b8ac69ef4f1acb8fead SHA-256: 0d3b0e7cb8a763a3770126d2af0bddad892bffb73948f5b61086214ba2923387
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6257

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://aodaixuan.com/app/webroot/upload/image/files/bamumilorobabi.pdf In PDF document text
    • https://softnettechno.com/sribati/editor/uploadfiles/guberufagu.pdfIn PDF document text
    • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/48c7027a23bf05431c9f9bcd453ea638/78760825132.pdfIn PDF document text
    • http://planetpower-thefilm.com/plugins/kcfinder/upload/files/92211762447.pdfIn PDF document text
    • https://telenovella-bg.com/files/32668227324.pdfIn PDF document text
    • https://worldmedglobal.com/userfiles/files/10830610162.pdfIn PDF document text
    • http://www.tiendadelbordado.com/ckfinder/userfiles/files/sikorafiganenikanisil.pdfIn PDF document text
    • http://www.hgekc.com/media/userfiles/file/siwejisifov.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161940b2947706---50066641918.pdfIn PDF document text
    • https://hadimehdi.org/userFiles/files/81394774686.pdfIn PDF document text
    • http://woodlander.sk/grafika/file/vabaxisuveniwufimiz.pdfIn PDF document text
    • http://jamalcar.com/userfiles/file/90252092797.pdfIn PDF document text
    • http://denetimmusavirlik.com/userfiles/file/61111010040.pdfIn PDF document text
    • http://satexvernaz.fr/kcfinder/upload/files/85403378028.pdfIn PDF document text
    • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16169b05e6caad---tujasoguxidopiza.pdfIn PDF document text
    • https://www.mountainhawktrek.com/assets/kcfinder/upload/files/4411990008.pdfIn PDF document text
    • http://nanoscopy.ru/uploads/files/67473613370.pdfIn PDF document text
    • http://kooijobs.in/ckfinder/userfiles/files/vujozemi.pdfIn PDF document text
    • http://sure2trips.com/bot/ckfinder/uf/files/92048579571.pdfIn PDF document text
    • https://irepairplus.nl/app/webroot/files/userfiles/files/fazegobikajawadugi.pdfIn PDF document text
    • https://hanakspotrebice.cz/eshop/ckfinder/userfiles/files/32699573398.pdfIn PDF document text
    • http://sreecollegeofpharmacy.com/admin/kcfinder/upload/files/vaxomedobezevu.pdfIn PDF document text
    • http://houtackers.nl/userfiles/file/vegimalobijoweruwudur.pdfIn PDF document text
    • http://desimlockage-telephone.fr/userfiles/file/rukusepexadakefiwe.pdfIn PDF document text
    • https://lenaoyunlar.com/calisma2/files/uploads/torimolomurolixudenozo.pdfIn PDF document text
    • http://guides2alpes.org/uploads/file/77254414021.pdfIn PDF document text
    • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1615d24e2a8479---60139777823.pdfIn PDF document text
    • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/2q19lfumsqr9m8h7q9jmcr5mse/bupapapiveb.pdfIn PDF document text
    • http://albachiara.info/userfiles/files/28058802492.pdfIn PDF document text
    • http://bugskin.org/userfiles/file/76284650892.pdfIn PDF document text
    • http://roocenter.ru/upload/file/nuxegopakupiwixumibe.pdfIn PDF document text
    • https://fotoprint.lv/downloads/file/14695421636.pdfIn PDF document text
    • http://pluimveebeurs.com/userfiles/file/17098137396.pdfIn PDF document text
    • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/95a1188b28c89231a54ae48d820250b3/3648051280.pdfIn PDF document text
    • https://salwangurugram.com/files/24851118116.pdfIn PDF document text
    • http://huynhgiabaohotel.com/uploads/FCK/file/20317684162.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/23D8k0Ec_6w/uplcv?utm_term=calidad+ambiental+y+capital+natural+pdfPDF 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_off0005089e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5089E 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00051f42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51F42 10880 bytes
SHA-256: bed82bfc45652560ba31d84fbe6caa156692dafc2649cbbc9778b7578752fe54
font_02_sfnt_off00053820.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53820 18608 bytes
SHA-256: 96bca73a9cf2e4c34429de8d5f93fbd443bec60e2ffdeea5a705bdd1b8ad1c3d

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