Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b9612d4fc102a3…

MALICIOUS

PDF

256.3 KB Created: 2022-03-06 23:14:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: ec1708111caadc3a8dd38ef95821667c SHA-1: cab25baedb336fa5e91178dd24994e4e6a2abe9b SHA-256: 72b9612d4fc102a32920585222d1bdd8f3a4553c3c9eed75f7d51daf498913ce
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8006

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
  • 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.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=adobe+air+sdk+android PDF link annotation
    • http://mosjob.ru/images/file/nanivilabumesuzujorogevo.pdfIn PDF document text
    • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/40760642862.pdfIn PDF document text
    • https://www.fcefrance.com/kcfinder/upload/files/3832983586.pdfIn PDF document text
    • http://architettipassarinmarzotto.com/userfiles/files/52538570304.pdfIn PDF document text
    • https://thetsaban3watnuea.com/UserFiles/file/16032959459.pdfIn PDF document text
    • http://barrybusiness-crm.com/ressource/devis-photo/files/91283131284.pdfIn PDF document text
    • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16219deb556cc0---6218022178.pdfIn PDF document text
    • https://momsgardenfoods.com/ckfinder/userfiles/files/52202807283.pdfIn PDF document text
    • http://sun-tes.ru/files/file/duxezubagekupuka.pdfIn PDF document text
    • https://bio-obst-und-gemuese.de/userfiles/file/votinezudejenuzosogudetos.pdfIn PDF document text
    • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/fd4223f0cfc7d2fca0626a79507fe82e/nosipisinirubuxixas.pdfIn PDF document text
    • http://vimbark.sk/editor_uploads/files/livokozimanipujuxasat.pdfIn PDF document text
    • https://negociosvalki.pe/UserFiles/file/70878233772.pdfIn PDF document text
    • https://giyimkent.formenemlak.com/upload/ckfinder/files/dufokuvajakatix.pdfIn PDF document text
    • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/7182264308.pdfIn PDF document text
    • https://csam-villepinte.org/uploads/images/file/vevet.pdfIn PDF document text
    • http://stoewebdesign.no/userfiles/file/7434183306.pdfIn PDF document text
    • https://ij-ph.com/admin/SchoolFiles/files/kalis.pdfIn PDF document text
    • http://propertiesforrent.com/userfiles/file///49066779555.pdfIn PDF document text
    • http://lor-rostov.su/userfiles/files/91851851122.pdfIn PDF document text
    • https://www.sdhbd.org/backend/web/kcfinder/upload/files/95266827649.pdfIn PDF document text
    • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1621541f5d8a2d---22478053783.pdfIn PDF document text
    • https://e-s-c.fr/lib/ckeditor/kcfinder/upload/files/89964717462.pdfIn PDF document text
    • https://ibbfvhn.org/recursos/kcfinder/upload/files/15447084865.pdfIn PDF document text
    • https://ceb.lk/assets/js/kcfinder/upload/files/40844615495.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_off000397b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x397B3 16896 bytes
SHA-256: 1ec71064ff8f632cd50224c181956da21e1566b95f8206da85e0f74972f42f2c
font_01_sfnt_off0003c3fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C3FA 10308 bytes
SHA-256: 44ba4db68ce617d80bfc8f4ce20b731152b41b2f914313cee70d261385f33997
font_02_sfnt_off0003db52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DB52 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9