Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5de4dfe3be5c766…

MALICIOUS

PDF

222.1 KB Created: 2022-01-11 00:33:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27
MD5: 18acd0a7cbfe7168a971c4704ec7ef54 SHA-1: dc09b773b8a2276f6f620bd5b229dd302493cac0 SHA-256: c5de4dfe3be5c7661d3207f1293e6542b2a0813398e4d9b209e440b1d01a350f
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7948

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://allytemp.ru/uplcv?utm_term=catalogue+applimo+pdf PDF link annotation
    • http://servicedental.it/userfiles/files/dapenajubukifoka.pdfIn PDF document text
    • https://sanmuabancongty.vn/images/content/files/movusojoto.pdfIn PDF document text
    • http://jingkangchem.com/upload/files/58328512493.pdfIn PDF document text
    • https://euromariage.ro/upload/file/nibefedeve.pdfIn PDF document text
    • http://musicpark-live.de/userfiles/file/95196286854.pdfIn PDF document text
    • https://cornerstonelaw.eu/userfiles/file/kepafetaj.pdfIn PDF document text
    • http://salsainkonstanz.de/media/files/kediguguludejudidevaje.pdfIn PDF document text
    • https://tunhuaduytan.com/upload/userfiles/files/gewineroda.pdfIn PDF document text
    • http://fskyok.com/uploadfile/files/78563914673.pdfIn PDF document text
    • https://atl-50.com/files/file/leworewokupirukekokera.pdfIn PDF document text
    • http://rasciindia.com/firetech/ckupload/files/83659607978.pdfIn PDF document text
    • http://hkbroadwin.com/userfiles/73277333936.pdfIn PDF document text
    • https://bomando.bomsolar.com/uploadfiles/files/gusiki.pdfIn PDF document text
    • https://interior-mark.com/ckfinder/userfiles/files/1168892838.pdfIn PDF document text
    • http://rewitex.pl/userfiles/file/lanoxaf.pdfIn PDF document text
    • http://greenhouse.gen.tr/panel/kcfinder/upload/files/22912535093.pdfIn PDF document text
    • https://istanbularicilikfestivali.com/upload/ckfinder/files/movikenasamatomekokozus.pdfIn PDF document text
    • http://ultrarelaxedcbd.com/newerac2c/userfiles/file/pejimuxufetamafuruzagave.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3ce48c261---92628601583.pdfIn PDF document text
    • http://rungrawin-itt.com/userfiles/files/87202601210.pdfIn PDF document text
    • https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/80920817124.pdfIn PDF document text
    • http://tauroconsulting.pl/userfiles/file/pujoposiz.pdfIn PDF document text
    • https://www.agnii.gov.in/kcfinder/upload/files/lewilubugolubojukutarat.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_off00030c83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30C83 10600 bytes
SHA-256: 0cea3ae55fa751e07207ee0b74e59cefb500ba41c7c253a95ef15fefd188d137
font_01_sfnt_off0003249c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3249C 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00033b3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33B3B 18360 bytes
SHA-256: 598c3429076b93339ae0a94d595c8ae22c18677ca8c3886aec5b340e72b1e27b

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