Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9cbefc94b3ab75f…

MALICIOUS

PDF

367.5 KB Created: 2022-01-07 02:46:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-25
MD5: 7c72e9ee5ca61e28b0f535f2b4c5766c SHA-1: 2b75fda9980445547181c4d8e71062fe4c095999 SHA-256: f9cbefc94b3ab75fb64c736d99fd90313617019f2c01800af39cf4e4493c2b51
161 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8248

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 advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://swotaweb.com/img/upload/file/luzolebudisewug.pdf In PDF document text
    • http://avalon-essenzen.at/userfiles/file/88037270125.pdfIn PDF document text
    • http://change4best.ru/upload/file/18854458775.pdfIn PDF document text
    • http://polins.org/public/userfiles/file/14973185442.pdfIn PDF document text
    • http://pokwuttibut.com/file_media/file_image/file/sepivuxalemusawe.pdfIn PDF document text
    • http://abwingsjanaf.com/uploads/files/wuluvijaj.pdfIn PDF document text
    • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/lukudenugumifotapavufa.pdfIn PDF document text
    • http://icloudcleaners.com/uploads/account/autoresponderfiles/migejusozavono.pdfIn PDF document text
    • https://onecre.com/images/content/files/44975523964.pdfIn PDF document text
    • https://anthonygillant.com/userfiles/file/sipedaname.pdfIn PDF document text
    • https://ripedesign.com/app/webroot/files/fckeditor/file/28857482186.pdfIn PDF document text
    • http://elegancegioielli.it/upload/userfiles/files/52105998142.pdfIn PDF document text
    • http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/nutojerebugelepikegox.pdfIn PDF document text
    • http://ifap.it/images/file/fupegaruwulil.pdfIn PDF document text
    • http://tatnhapkhau.com/ckfinder/userfiles/files/ziser.pdfIn PDF document text
    • http://bajajsports.com/userfiles/file/22405587525.pdfIn PDF document text
    • http://global-leasing-management.com/uf/file/zisidumufixokitowojuso.pdfIn PDF document text
    • https://colisee.kopro.fr/userfiles/file/fidafizokokefoxonezom.pdfIn PDF document text
    • https://studio-mano.com/userfiles/file/75410213961.pdfIn PDF document text
    • https://directorvincentchow.com/fck_filemanager_upload/file/potuturixow.pdfIn PDF document text
    • http://meruzhankhachatryan.com/app/webroot/files/file/wavarixuxuzixifoxuwel.pdfIn PDF document text
    • http://gorisum.net/fckeditor/upload_file/file/32515930906.pdfIn PDF document text
    • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161cf71b07f0ad---89623260692.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/896FEnmJZlk/uplcv?utm_term=shapes+and+patterns+worksheets+for+grade+2PDF link annotation
    • 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_off000553ac.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000553ac.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000553ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x553AC 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00056a50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56A50 11012 bytes
SHA-256: 61f99368c0a2692ecc99b27008339e39123c6ebe4773e767496e46fd598e5b18
font_02_sfnt_off000583ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x583CE 16964 bytes
SHA-256: f30959909b5a2b67172e82bb0e2e1a25dc6f90384c0ef9ef5c7c076130d6a1f6