Malicious PDF — malware analysis report

Static analysis result for SHA-256 4789bf0a65e8a870…

MALICIOUS

PDF

397.9 KB Created: 2022-03-04 04:25:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 764660681d34f5b6c872dc1709741cf7 SHA-1: 408c201f361e27aba122927d5aaa78bb74edb4de SHA-256: 4789bf0a65e8a8708d9e57c58a1f720b44d2dc5e5b2b18ce0d738ee19b2749f9
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6448

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.
  • 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://yubit.co.za/XSRYdR1H?utm_term=shine+the+light+of+your+love+pdf PDF link annotation
    • http://la-traverse.biz/kcfinder/upload/files/19766664764.pdfIn PDF document text
    • https://diedacorporation.net/freesiafiles/file/febogetafoxerivasupin.pdfIn PDF document text
    • http://vizugy.hu/uploads/files/5449676718.pdfIn PDF document text
    • http://kondicionery-dzerzhinskij.ru/upload_picture/file/4660980177.pdfIn PDF document text
    • http://uveteknik.com/uploads/files/nogupofutekexejub.pdfIn PDF document text
    • https://dobre-akce.cz/media/files/file/73985793539.pdfIn PDF document text
    • http://svm.kalistecom.org/img/files/52049690475.pdfIn PDF document text
    • http://casim.se/kcfinder/upload/files/97008679454.pdfIn PDF document text
    • https://jnnjhansi.com/userfiles/file/29147656888.pdfIn PDF document text
    • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621b933480662---89693993385.pdfIn PDF document text
    • https://ienter.bg/files/wudujafojelakexoxu.pdfIn PDF document text
    • http://etecpresidentevenceslau.com.br/kcfinder/upload/files/17088420512.pdfIn PDF document text
    • https://soalmatematik.com/userfiles/file/77932171009.pdfIn PDF document text
    • http://niktid.ru/userfiles/file/972341062.pdfIn PDF document text
    • http://alzinda.fr/ckeditor/kcfinder/upload/files/21862427092.pdfIn PDF document text
    • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16218108d243aa---86732703387.pdfIn PDF document text
    • http://bulongvungtau.com/media/ftp/file/27972103543.pdfIn PDF document text
    • http://rhondachem.com/d/files/85966567128.pdfIn PDF document text
    • https://delmadang.com/userfiles/file///zimol.pdfIn PDF document text
    • http://centrodebridge.pt/ckeditor/kcfinder/upload/files/fanomo.pdfIn PDF document text
    • http://quaisetoiles.fr/img_pages/file/tufoligiverud.pdfIn PDF document text
    • http://www.atad.ae/emanager/assets/ckeditor/plugins/kcfinder/upload/files/sutusid.pdfIn PDF document text
    • https://stellarvvv.ru/ckfinder/userfiles/files/napazoxakunin.pdfIn PDF document text
    • http://bvphcn.bdata.vn/upload/files/fedugasabumuzulabafaw.pdfIn PDF document text
    • https://projetounificado.com/uploads/files/20919960294.pdfIn PDF document text
    • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620928ea182db---kuxegazoxow.pdfIn PDF document text
    • https://studioconcept-stand.com/fck_userfiles/file/podugefejuxodozu.pdfIn PDF document text
    • https://eccdc.org/application/webroot/userfiles/file/kufizugo.pdfIn PDF document text
    • http://ty-universe.com/image/files/20220207_221107.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4b786f6972645b538d003c72f1c9b2fb/maxemesavizusovapujak.pdfIn PDF document text
    • http://sieuthiduanbds.com.vn/kcfinder/upload/files/36838264356.pdfIn PDF document text
    • http://kpglearningbox.com/assets/kcfinder/upload/files/gafenapatizawonobelixovi.pdfIn PDF document text
    • https://netwindowvn.com/uploads/userfiles/file/7431099741.pdfIn PDF document text
    • http://seoulsquare.com/userfiles/file/wugenabukobarafaju.pdfIn PDF document text
    • http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/rotez.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_off0005cb83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CB83 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0005e29e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E29E 17116 bytes
SHA-256: c5d5394aee30fa54f0be9f2439e9861b2e3596e420c12447621eab2e7bb965b7
font_02_sfnt_off00060f1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F1B 10804 bytes
SHA-256: 2d2482df04771a8ee8b1d72c332bb2320cef32949b6accb1733ab16184644ccf