Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6968bba81cc7f2e…

MALICIOUS

PDF

200.0 KB Created: 2022-01-26 11:57:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-02
MD5: 0f0b9c3354b4c06367a13818515c1bd9 SHA-1: f5ba0ca583346944163b9d5bc4941da4fd23b09c SHA-256: b6968bba81cc7f2e25a38fd60f39147ed34bbf448d2ebd4e0b51d5ec1b21ab59
169 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9287

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://firesystem.ro/imagini_ws/87592420072.pdf In PDF document text
    • http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/banatunupetadenasowi.pdfIn PDF document text
    • http://medicareclinichowrah.net/faboriginelist-braj/userfiles/file/59566231569.pdfIn PDF document text
    • https://jackinthegym.com/uploads/files/202201251727154005.pdfIn PDF document text
    • http://huerural.com/uploads/image/files/86902601472.pdfIn PDF document text
    • http://zagazzo.com/userfiles/file/1850569093.pdfIn PDF document text
    • http://danamthanh.vn/userfiles/file/nuwuzevufeb.pdfIn PDF document text
    • http://ryukatsu.com/userData/board/file/lijefovesimegexif.pdfIn PDF document text
    • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/72789931923.pdfIn PDF document text
    • http://hongphuc.vn/userfiles/file/vifokutip.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b141cc4c5ad---72113440172.pdfIn PDF document text
    • http://domoticasociale.it/immaginiNewsletter/file/40823681379.pdfIn PDF document text
    • http://kkagro.com/media/images/upload/file/45592394260.pdfIn PDF document text
    • http://classicalgardenstatues.com/uplds/file/49718908046.pdfIn PDF document text
    • http://chinnanaidoo.org.za/kcfinder/upload/files/putirufipatiwenoxijaxani.pdfIn PDF document text
    • http://reklamaopole.pl/userfiles/file/37611528995.pdfIn PDF document text
    • http://lblussana.it/images/file/gejupulabu.pdfIn PDF document text
    • http://www.yoko-ono.be/images/userfiles/file/8473501135.pdfIn PDF document text
    • https://mifuj.co.za/XSRYdR1H?utm_term=byzantium+full+movie++in+dual+audioPDF link annotation
    • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161a218b414f94---vukalowod.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_off00029b43.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00029b43.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00029b43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29B43 16928 bytes
SHA-256: 16ad17e8d6de0ceb2a0c95560c2eba46785db50a702f24c5f5957a40b9e9f816
font_01_sfnt_off0002b390.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B390 18496 bytes
SHA-256: 2ff87c6f69f66bbf6eb8388e04748c87aeb7965e1257d4069783ac6211fb88b7
font_02_sfnt_off0002e294.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E294 10640 bytes
SHA-256: 84ccde744a5a1059532d89b6093b933cda9eefd19544b0acbba8f02faeb48e4b
font_03_sfnt_off0002fb05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB05 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336