Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8f4c1ea4aac2c9…

MALICIOUS

PDF

547.9 KB Created: 2022-02-10 21:47:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 968e6d1ffa0c42fb6f470d5b40016c66 SHA-1: 1ad7db221b56dc47e2851ad7f001690f2fc4299e SHA-256: aa8f4c1ea4aac2c950d543406c23e7c0273907a61c7caa5d9b049b9f9672fc07
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3985

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://lovig.co.za/XSRYdR1H?utm_term=same+love+sheet+music+free PDF link annotation
    • http://gtlfuelmarine.com/userfiles/file/63581418752.pdfIn PDF document text
    • http://wasserentkalkung.at/ckfinder/userfiles/files/57329158053.pdfIn PDF document text
    • http://medicalproduct.hu/images/files/18021898472.pdfIn PDF document text
    • https://dogudokum.com.tr/panel/kcfinder/upload/files/75784241313.pdfIn PDF document text
    • https://generace89.cz/kcfinder/upload/files/zaxewitogiwi.pdfIn PDF document text
    • http://radio-salsa.fr/php/rs/filesupload/file/rananewowovogi.pdfIn PDF document text
    • http://fulns.com/uploadfile/fckedit/file/1630930806swk7.pdfIn PDF document text
    • https://fasaac.org/temp/files/rejiligarelupow.pdfIn PDF document text
    • https://alate.org/admin/fckeditor/editorfile/98518590228.pdfIn PDF document text
    • https://kimcert.org/E/file/gasazolejamasunudegirar.pdfIn PDF document text
    • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148254929170---tobusozejiwedogexim.pdfIn PDF document text
    • http://xnucleus.com/members//member_images/files/bizaruwasa.pdfIn PDF document text
    • https://sunrise-photon.com/upfiles/editor/files/10062354219.pdfIn PDF document text
    • http://driscollandgibson.com/images/edit_images/file/57006372365.pdfIn PDF document text
    • http://boldogelet.hu/media/1319692373.pdfIn PDF document text
    • http://khyljg.com/uploadfiles/files/bosowubol.pdfIn PDF document text
    • https://pasarantogel.com/contents/files/88659083352.pdfIn PDF document text
    • https://aynispirit.nl/userfiles/file/62945146698.pdfIn PDF document text
    • https://cokhivietuc.com/img-vietuc/files/liviwudigirofalugoka.pdfIn PDF document text
    • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161cdb3afdcddc---rifezaru.pdfIn PDF document text
    • http://nessium.net/userfiles/file/91175323524.pdfIn PDF document text
    • http://josephlillianmorrisfamily.com/clients/59960/File/45968236760.pdfIn PDF document text
    • http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/sunedozekevadujafod.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_off00081bf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81BF2 19668 bytes
SHA-256: c7afa22d931b3049a639837636389efe1108d9970142a0b6b56fe848cf63fb2e
font_01_sfnt_off000850c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x850C0 10736 bytes
SHA-256: 2948fa2d8e4e6a52b6a0aed358ea00cdfd6ede1d8fc13c06242b267f1389f3f8
font_02_sfnt_off0008696c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8696C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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