Malicious PDF — malware analysis report

Static analysis result for SHA-256 782fba98772a4ddd…

MALICIOUS

PDF

449.1 KB Created: 2022-02-26 23:24:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: f8e369c2b9702728f77bcf8f42f7ec10 SHA-1: cec4fdbda5ca76326cd11e281324ea6217477120 SHA-256: 782fba98772a4ddd5b71344b1e287c052db34ad0a97f855e78e3d0d256018c3e
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4712

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://colod.co.za/XSRYdR1H?utm_term=asuhan+keperawatan+hepatoma+pdf PDF link annotation
    • https://portalkucharski.pl/app/webroot/media/files/44254902400.pdfIn PDF document text
    • http://pzhjintai.com/upload/files/feguboxax.pdfIn PDF document text
    • https://hargagila.com/uploads/image/files/buremonusolijenupupowad.pdfIn PDF document text
    • http://adams-gold.ru/archive/image/file/87835908454.pdfIn PDF document text
    • https://arvikabc.com/images/uploadedimages/file/83116227107.pdfIn PDF document text
    • http://polymerclaydoll.com/userData/ebizro_board/file/73174919610.pdfIn PDF document text
    • http://yesfabric.com/images/upload/File/95781969841.pdfIn PDF document text
    • https://powermailer.in/userfiles/file/giwafoxudeda.pdfIn PDF document text
    • https://roshnaai.com/ckfinder/userfiles/files/vitemavazowuxika.pdfIn PDF document text
    • http://campingwithconvenience.com/files/files/27537235162.pdfIn PDF document text
    • http://harrisonfamilyreunion.org/clients/868801/File/duronovekofuvewiju.pdfIn PDF document text
    • http://thekitchendesignstudio.org/uploads/files/ginikasimosoka.pdfIn PDF document text
    • http://aczelzalog.hu/tmp/17087904219.pdfIn PDF document text
    • http://arcomproltd.com/userfiles/file/bobolipifajesidazetugiseg.pdfIn PDF document text
    • http://hosungtour.com/FileData/ckfinder/files/20210830_0313192CD59943D5.pdfIn PDF document text
    • https://aleemanschools.org/userfiles/file/63510764760.pdfIn PDF document text
    • https://onutglen.com/caningest/images/file/jedovikanuvelafexobupaji.pdfIn PDF document text
    • http://boracayg.com/FileData/ckfinder/files/20210815_E88B1E105FFE2E22.pdfIn PDF document text
    • https://stauber.lt/images/files/femuruxukuxivarabagi.pdfIn PDF document text
    • https://rallstarawards.us/nbloom/fckuploads/file/kupetekewukizutos.pdfIn PDF document text
    • https://5of7edwardstreet.com/assets/media/files/rabid.pdfIn PDF document text
    • http://gnatowski.pl/attachments/file/57537408979.pdfIn PDF document text
    • http://gfzgt.ch/upload/file/22469375520.pdfIn PDF document text
    • http://alconsprom.ru/ckfinder/userfiles/files/80646321290.pdfIn PDF document text
    • http://smenergy.kr/uploaded/file/11939358636130a4af306cb.pdfIn PDF document text
    • http://alanurturizm.com/rsm/files/vumutufinomek.pdfIn PDF document text
    • https://smartcirclegroup.com/userfiles/file/gizikakanodesawizufoxux.pdfIn PDF document text
    • http://cuatro-pr.org/sites/default/files/file/nepevoravotuwas.pdfIn PDF document text
    • https://manpowernepal.net/ckfinder/userfiles/files/xirefiwebiwetolita.pdfIn PDF document text
    • http://syscall.com.tr/panel/kcfinder/upload/files/dubojasibeno.pdfIn PDF document text
    • http://jgbt.us/pds/userfiles/files/dizubogowukanexadosopu.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_off00069361.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69361 18608 bytes
SHA-256: 99214dbd1723e33fcde3202313514abff2beed95d6a1f0b3f074e08be3bf9c1d
font_01_sfnt_off0006c449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C449 10884 bytes
SHA-256: da5750a299bfc280099b0dc6d26d05d2a5123e972c049661b966b4c940c60d89
font_02_sfnt_off0006dd63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD63 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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