Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d878ba0f0a5c04d…

MALICIOUS

PDF

229.1 KB Created: 2022-03-11 13:59:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: e4ac05e4175f51f61bbb505416e2d91f SHA-1: b5e72947691adaf39f4c9b2ac72b03b4db7daf9c SHA-256: 5d878ba0f0a5c04db3248728b7273f936517ec969eab568248b55dbcd325afc0
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8518

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://podar.co.za/XSRYdR1H?utm_term=anticoagulation+guidelines+endoscopy PDF link annotation
    • http://konditsionery-odincovo.ru/upload_picture/file/15144270315.pdfIn PDF document text
    • http://jfac.kr/ckfinder/userfiles/files/49247094442.pdfIn PDF document text
    • http://dongphat.net/upload/files/66020457207.pdfIn PDF document text
    • http://ibb-online.ru/f/file/katizetibazufilagilud.pdfIn PDF document text
    • https://euchebnici.com/img/file/bunugazosumewetamonafiki.pdfIn PDF document text
    • http://logiccpacma.com/ckfinder/userfiles/files/fiputudevuninejor.pdfIn PDF document text
    • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621a0fe24cde0---jukepidebenumak.pdfIn PDF document text
    • http://cn-junsheng.com/upload/file///2022252378851.pdfIn PDF document text
    • http://spasinnia.org/assets/ckeditor/kcfinder/upload/files/36420141133.pdfIn PDF document text
    • http://htk2.altrodesign.eu/ckfinder/userfiles/files/12513855245.pdfIn PDF document text
    • https://nodka.eu/ckeditor/ckfinder/userfiles/files/zakofodezexu.pdfIn PDF document text
    • http://8njl.com/userfiles/files/ketewowivibu.pdfIn PDF document text
    • https://sads.sk/admin/ckeditor/kcfinder/upload/files/naxabufejutup.pdfIn PDF document text
    • http://www.civilhospitalpalampur.in/img/uploads/files/77911973267.pdfIn PDF document text
    • http://orosweb.hu/userfiles/file/nowijamejefapa.pdfIn PDF document text
    • https://mraos.com/web/userfiles/file/38495323197.pdfIn PDF document text
    • http://venusitos.com/kcfinder/upload/files/10375593706.pdfIn PDF document text
    • http://szakkepzosiklos.hu/upload/file/20705961440.pdfIn PDF document text
    • http://ilturismoinitalia.it/userfiles/files/70630491874.pdfIn PDF document text
    • https://yaslibakicisi.net/userfiles/file/tepalozi.pdfIn PDF document text
    • https://monyetmesum.com/contents/files/ribifakefer.pdfIn PDF document text
    • https://www.playitdirect.ca/ckfinder/uploadfiles/files/4522969789.pdfIn PDF document text
    • https://cyklo-wellness-penzion-palice.cz/content/dilutavinitino.pdfIn PDF document text
    • http://ladyqueen.it/userfiles/files/55706181908.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_off0003273c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3273C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00033e5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33E5C 10784 bytes
SHA-256: f825dc2450c4d99b14b26ff880f2a7b52ec7c1cffbae8941543aedd892edc4e7
font_02_sfnt_off0003572e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3572E 17736 bytes
SHA-256: 83806a553d97410be573a08197bccd61175283d459c631d382fe5beee24809b0

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