Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c7d03d3ec34201…

MALICIOUS

PDF

274.6 KB Created: 2022-03-07 09:21:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: a439621db1c3166cfe82dd91cc54ef95 SHA-1: b6d510aaae79bf1f6847a48f11546fbe2185f4fd SHA-256: 25c7d03d3ec34201874496e58894c2f7efe7dfed424590d47fbf8d65d985ccec
191 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7783

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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://marketlayer.com/assets/kcfinder/upload/files/jabuluseno.pdf In PDF document text
    • http://infrabud.eu/fckpliki/file/saxegegakerulugof.pdfIn PDF document text
    • https://obo.olsztynek.pl/assets/includes/kcfinder/upload/files/pupizakawuku.pdfIn PDF document text
    • https://handball-chac.com/docs/file/wuxatexaxarozapulubumolij.pdfIn PDF document text
    • http://przybyszewski.org/image/file/matiwikogeg.pdfIn PDF document text
    • https://questyme.com/userfiles/file/1870630153.pdfIn PDF document text
    • http://trendstyleimage.com/uploads/ckfinder/userfiles/files/65930098425.pdfIn PDF document text
    • https://khabul.mn/mmpa/userfiles/files/dugatuxizadadugunudosi.pdfIn PDF document text
    • http://interreg-ipa-husrb.com/downloads/sajaxawatemexafodinuf.pdfIn PDF document text
    • http://www.debreceni-fogaszat.hu/js/ckeditor/kcfinder/upload/files/66428351083.pdfIn PDF document text
    • https://taumed.kz/upload/2022/02files/22022809242338592774df1.pdfIn PDF document text
    • http://sosonomo.com/ckfinder/userfiles/files/gelaxefagosavolo.pdfIn PDF document text
    • https://www.emcp-pmce.ca/_includes/ckfinder/userfiles/files/tugebo.pdfIn PDF document text
    • https://vibangthuaphatlai.net/uploads/files/25180236028.pdfIn PDF document text
    • http://innospectrum.eu/hirlevel/file/40019949951.pdfIn PDF document text
    • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1620efbb855f1e---rujisazuwenimal.pdfIn PDF document text
    • http://111-orte.com/testarea/cwsCMSlight/media/files/muzofebesuloruwirekago.pdfIn PDF document text
    • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/162108a2b9753f---47201312632.pdfIn PDF document text
    • https://vnmmalta.com/userfiles/file/lotov.pdfIn PDF document text
    • http://stoewebdesign.no/userfiles/file/sifako.pdfIn PDF document text
    • http://uitvaartverzorgingsindex.nl/images/uploads/zexiw.pdfIn PDF document text
    • http://potolokomsk.ru/ckeditor/kcfinder/upload/files/xudara.pdfIn PDF document text
    • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/87240967210.pdfIn PDF document text
    • http://cjmfgxfollow.morefriendship.com/upload/files/sunekezibagubibuxakemis.pdfIn PDF document text
    • http://xn--80aamwn.xn--p1ai/userfiles/file/60858712813.pdfIn PDF document text
    • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16217c7dd5f397---teberomitotaku.pdfIn PDF document text
    • http://ahaadesign-com-tw.sales-frontier.com/ckfinder/userfiles/files/naxirixo.pdfIn PDF document text
    • https://antonyfashion.sk/_upload/files/nupakurodujupi.pdfIn PDF document text
    • http://songdolandmarkcity.com/userfiles/file/vufifegudumome.pdfIn PDF document text
    • https://psg66.ru/admin/ckfinder/userfiles/files/62800842948.pdfIn PDF document text
    • https://www.iccis20.scrs.in/kcfinder/upload/files/xuxir.pdfIn PDF document text
    • http://invenger.net/admin/ckeditor/kcfinder/upload/files/jabitomexo.pdfIn PDF document text
    • http://yuc-fac.com/uploadfiles/20220216231535.pdfIn PDF document text
    • https://sealordhotels.com/ckfinder/userfiles/files/4155132239.pdfIn PDF document text
    • https://loheb.co.za/XSRYdR1H?utm_term=bandook+chalegi+song++pagal.+comPDF 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_off0003dbc2.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003dbc2.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003dbc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DBC2 18016 bytes
SHA-256: 2058822336951619a840131a0cafe0390b144daa0e8efd683ae7647d67c3ab21
font_01_sfnt_off00040ad5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40AD5 10976 bytes
SHA-256: 019d5b37720c32e91a40ac01755d4777ae35af7533f092d67b346e89cf51a782
font_02_sfnt_off000423de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x423DE 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9