Malicious PDF — malware analysis report

Static analysis result for SHA-256 726201c7d821cdfb…

MALICIOUS

PDF

290.7 KB Created: 2022-03-05 00:11:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-12
MD5: 9af47587d4ab46a3b09ced59ee352a21 SHA-1: 37e2aa6c61ec215d59503f6c5cb41dfc5bcbf761 SHA-256: 726201c7d821cdfb1c5e207558c7ae2c6b14d95f8640e0b06f7a8050a2ffd590
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5959

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 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.
  • 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://naphogacomposite.com/upload/files/13314200422.pdf In PDF document text
    • http://soles2walk.com/data/file/buvubagedaneruzu.pdfIn PDF document text
    • http://yishiweb.com/upfiles/files/20220213_102320.pdfIn PDF document text
    • https://securitydm.net/slicice/file/vupejalolufarise.pdfIn PDF document text
    • https://stillwaiting.org/userfiles/file/54089561360.pdfIn PDF document text
    • https://cursosadistanciayonline.com/medios/files/64025688219.pdfIn PDF document text
    • http://www.azurwelcomeservices.com/userfiles/file/voxulupas.pdfIn PDF document text
    • https://vinasimex.com/uploads/file/bolibozugarepadenudo.pdfIn PDF document text
    • http://frankifoto.com/uploads/pages/files/15221341383.pdfIn PDF document text
    • http://studiobaldizzone.com/userfiles/files/gixidibeviw.pdfIn PDF document text
    • http://noahmission.org/dataroom/file/jiloxunumelikun.pdfIn PDF document text
    • http://newgoodluckcrane.com/admin/uploadfiles/file/rovage.pdfIn PDF document text
    • http://www.gesas.it/media/mailinglist/file/14249883641.pdfIn PDF document text
    • https://aharonoff.easystockhosting.com/sites/default/files/fckimages/file/sotafuvupusabafe.pdfIn PDF document text
    • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/162007b56582e2---25022017276.pdfIn PDF document text
    • http://smflow.in/admin/uploads/file/deritawurufi.pdfIn PDF document text
    • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16216c72deadbe---lororurejurozo.pdfIn PDF document text
    • http://buafit.bg/Uploads/files/wotakugexipanorut.pdfIn PDF document text
    • https://jbdclothiers.net/emailer/userfiles/file/rilusujebediv.pdfIn PDF document text
    • https://wiskind.com/filespath/files/20220301025952.pdfIn PDF document text
    • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/9dc54533514c1132e4a011c9d3a419c9/20306003725.pdfIn PDF document text
    • http://biiww.com/upfiles/file/bomilorupifamatod.pdfIn PDF document text
    • http://ildong.org/sa_upload/userfiles/file/20220222130829.pdfIn PDF document text
    • http://cataga.de/beta/files/file/39310460261.pdfIn PDF document text
    • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/tenozubidujoxu.pdfIn PDF document text
    • http://xn----7sbabjlebzbdsbxti2bw3r.xn--p1ai/files/files/falezegatus.pdfIn PDF document text
    • http://iuppiteredizioni.it/kcfinder/upload/files/rupusafudakugelitigabeti.pdfIn PDF document text
    • http://restokrat.info/userfiles/file/zotozuworopamito.pdfIn PDF document text
    • http://pointerboards.com/uploads/admin/files/wonuwewor.pdfIn PDF document text
    • http://jpk.kr/PROGRAM_FCKeditor_UserFiles/file/86286521428.pdfIn PDF document text
    • https://artgalery.ro/files/file/2384987565.pdfIn PDF document text
    • http://metallpress.ru/files/27442597873.pdfIn PDF document text
    • http://matchedtubes.de/userfiles/file/toposoketerenudap.pdfIn PDF document text
    • http://customartdirect.com/kcfinder/upload/files/21117468560.pdfIn PDF document text
    • http://yipdeals.com/app/webroot/upload/files/58620718339.pdfIn PDF document text
    • https://lostfoundglobal.com/userfiles/file/karijasaseroniki.pdfIn PDF document text
    • https://31app.com/userfiles/file/xamumulikujawa.pdfIn PDF document text
    • https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/difobiwob.pdfIn PDF document text
    • https://tevav.co.za/XSRYdR1H?utm_term=lexile+report+meaningPDF 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_off00041829.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00041829.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00041829.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41829 19460 bytes
SHA-256: 3b3eadf02a904f6302fd9915222350925d02185500bb2a7788e9abaa1e0277ec
font_01_sfnt_off00044a8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44A8D 10484 bytes
SHA-256: 90eab7d1203d36bae35a6b716211a5ff333a7d9a0e21722823ed9532687868cc
font_02_sfnt_off00046259.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46259 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9