Malicious PDF — malware analysis report

Static analysis result for SHA-256 793e30ac433f0cdb…

MALICIOUS

PDF

324.0 KB Created: 2022-03-20 20:05:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: c4fb0696539aee727e715ff1469f0d0f SHA-1: 3889d755a0b0336a826f6d98b7efcd9e6cbcecb4 SHA-256: 793e30ac433f0cdb1c5da873f80546d3ca275e9302009309587248b88a572e1e
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7582

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://yubit.co.za/XSRYdR1H?utm_term=alia+bhatt+video+song++samjhawan PDF link annotation
    • https://etonbio.com/newsLetters/images/file/xoxawusosow.pdfIn PDF document text
    • http://dierenwinkelindex.nl/images/uploads/62932877768.pdfIn PDF document text
    • https://loyq.ru/admin/upload/photos/library/files/10895838050_1645294477.pdfIn PDF document text
    • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161f8d17b4b9c7---zefopixobatofiwokemasonan.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1623756172d9e3---53056703220.pdfIn PDF document text
    • https://coprose.com.mx/kcfinder/upload/files/18083372150.pdfIn PDF document text
    • http://www.solarwindependence.com/ckfinder/userfiles/files/75994062508.pdfIn PDF document text
    • http://vizilo-vizitura.hu/admin/kcfinder/upload/files/42951912990.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16211e85a0eb6a---xeriseduvaxafewuxosoge.pdfIn PDF document text
    • http://terrigena.cz/data/pic/files/vijozifukogej.pdfIn PDF document text
    • http://offokin.ru/sites/default/files/file/19889092760.pdfIn PDF document text
    • https://bloc-immo.com/images/63686324307.pdfIn PDF document text
    • https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/fenebituvidetojusaz.pdfIn PDF document text
    • http://elixiriso.com/kcfinder/upload/files/17641361260.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620efb762100b---jutofaxirumiboxix.pdfIn PDF document text
    • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/e67cae971d0a80f5d768deb32fdd50dd/gunoxofuwa.pdfIn PDF document text
    • http://macierz-grodziec.org/files/file/fujijinewuligug.pdfIn PDF document text
    • https://amc-lda.com/assets/kcfinder/upload/files/favefubufajefaranabimafu.pdfIn PDF document text
    • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/162166128cc790---83808129782.pdfIn PDF document text
    • https://grupahatak.pl/admin/_fck_files/file/6551947959.pdfIn PDF document text
    • https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/82491859495.pdfIn PDF document text
    • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/162105ccd49dc7---90612938888.pdfIn PDF document text
    • http://ailin.kz/js/kcfinder/upload/files/xusegugupubabufebi.pdfIn PDF document text
    • http://ssss-sangam.com/userfiles/file/42457680691.pdfIn PDF document text
    • http://factorycontrolprojects.com/userfiles/file/foteforo.pdfIn PDF document text
    • https://fontini-rozetki.su/kcfinder/upload/files/64066554795.pdfIn PDF document text
    • http://morpheus-architects.com/file_media/file_image/file/juvakevikixen.pdfIn PDF document text
    • http://1night2day.com/UserFiles/file/25335768734.pdfIn PDF document text
    • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1622168134f8ca---xovesuwukokifuvuvinejifa.pdfIn PDF document text
    • https://www.ekometal.com/kcfinder/upload/files/32953362347.pdfIn PDF document text
    • http://fluorescent-training.com/file/56328919985.pdfIn PDF document text
    • http://yjccnc.com/upload/files/43979761320.pdfIn PDF document text
    • https://hbfilm.ca/resimler/files/militokigemoxoruladimimez.pdfIn PDF document text
    • http://otczenacts.com/media/files/joxipidefukuvunupipuzoja.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_off0004a54a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A54A 16684 bytes
SHA-256: b0cf54a3b98c5c96c74f36766d022a8b9706326f5c333354eea6ad4cba7ffce2
font_01_sfnt_off0004d04b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D04B 10996 bytes
SHA-256: e9eaa4d748aa26082743c17b8dffd57b87c43af4d6611a13fcd5a4338f79fb7f
font_02_sfnt_off0004e981.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E981 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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