Malicious PDF — malware analysis report

Static analysis result for SHA-256 552429cc71ca7dd2…

MALICIOUS

PDF

222.2 KB Created: 2022-03-05 06:34:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: 2b4cbefa4001cf78fbcefc8d0b81576f SHA-1: fc8ff01d07195a4cb23a74773a113a45f933aeb2 SHA-256: 552429cc71ca7dd21c7f5eddc264b3d91d0965d5870b1f9428760bed3b15fcb7
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9188

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 http://marinapogon.pl/upload/file/72948749295.pdf In PDF document text
    • https://viadagio.be/userfiles/file/pimorarulasolumofuf.pdfIn PDF document text
    • https://giltmorestukko.hu/ckfinder/userfiles/files/96816601009.pdfIn PDF document text
    • http://photomoments.ru/userfiles/files/dugenopokag.pdfIn PDF document text
    • http://adacu.org/userfiles/file/20220213134827.pdfIn PDF document text
    • https://nibrasimansch.com/userfiles/files/41822432268.pdfIn PDF document text
    • http://staceyasp.com/UserFiles/file/jimakadujomijixovoxidufak.pdfIn PDF document text
    • http://www.dreamstoreonline.es/ckfinder/userfiles/files/munakejowawaka.pdfIn PDF document text
    • https://3zslitomysl.cz/admin/editor/kcfinder/upload/files/wozemidakujikono.pdfIn PDF document text
    • https://yakin-surewin.com/media/file/gizuwapolovikusivelewimib.pdfIn PDF document text
    • http://musikpark-live.de/userfiles/file/41174098468.pdfIn PDF document text
    • http://cesvil.it/filesUploads/file/32140916071.pdfIn PDF document text
    • http://pixel-pro.ru/upload/file/jafime.pdfIn PDF document text
    • http://195exim.com/datas/files/40323816877.pdfIn PDF document text
    • http://ipceurope.be/assets/file/xowitavaratenere.pdfIn PDF document text
    • http://orem.mn/uploads/files/59643168194.pdfIn PDF document text
    • https://sunuf.co.za/XSRYdR1H?utm_term=17.+4+domains+and+kingdoms+answer+keyPDF link annotation
    • http://dlevitin.ru/fck_editor_files/files/73469824769.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 extracted file (font_00_sfnt_off00030b7d.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00030b7d.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00030b7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30B7D 10888 bytes
SHA-256: 6075daa10d60f62a6e6cd271ee90c385e6fbdf50639883b94ea9ec108416d84c
font_01_sfnt_off00032494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32494 17840 bytes
SHA-256: bfcb43327e6f5094b09cb80168fefa13f005aee96381f44a36f1be429f0501b0
font_02_sfnt_off0003534a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3534A 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9