Malicious PDF — malware analysis report

Static analysis result for SHA-256 191df6ab8e05f06b…

MALICIOUS

PDF

511.6 KB Created: 2022-03-04 05:32:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 8969a74d6bdf1334bb759f8d7234cd32 SHA-1: a0c04be78d2fc2069ea43cce17f2fbdaa3b33a05 SHA-256: 191df6ab8e05f06b5ab8328fbc58c54226b25613f21634fce2b1ce62a57e19b5
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3645

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 https://loheb.co.za/XSRYdR1H?utm_term=history+of+islamic+architecture+pdf PDF link annotation
    • https://venus-forever.com/image/files/zuzivetedebisuronofigud.pdfIn PDF document text
    • http://stylingstories.nl/kcfinder/upload/files/14919331335.pdfIn PDF document text
    • http://hotelbellevuepalermo.com/userfiles/files/jejapesowunalowe.pdfIn PDF document text
    • https://manuscripthandler.com/userfiles/file/zuviwosetilepil.pdfIn PDF document text
    • https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/koladetalisojazifix.pdfIn PDF document text
    • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621eedbc43290---68891112730.pdfIn PDF document text
    • http://musthighschool.mn/ckfinder/userfiles/files/53057741892.pdfIn PDF document text
    • https://lionkingbali.com/uploads/file/pajabosigakugepejupezike.pdfIn PDF document text
    • http://erex.hu/upload/file/mikanisafuxulufasujaxajad.pdfIn PDF document text
    • http://gaushalango.com/uploaded_files/userfiles/files/53751480263.pdfIn PDF document text
    • https://frischgeschluepft.de/kcfinder/upload/files/jonutalonusos.pdfIn PDF document text
    • http://iba.education/kcfinder/upload/files/jofepupazapezedofek.pdfIn PDF document text
    • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ug7gvahk1sct89lvjjbhpe9v97/91417406907.pdfIn PDF document text
    • https://mapro-spb.ru/img/file/61445817057.pdfIn PDF document text
    • http://elt-tm.ru/kcfinder/upload/files/sofuda.pdfIn PDF document text
    • http://pinxedien.net/upload/files/27976026224.pdfIn PDF document text
    • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620d07e38593d---40769429631.pdfIn PDF document text
    • http://raovat.coi.vn/uploads/userfiles/file/49767936468.pdfIn PDF document text
    • http://alisawedding.com/upload/users/files/20590077806.pdfIn PDF document text
    • http://xlyz195.com/upload/file/mapuve.pdfIn PDF document text
    • http://foto-recepty.sk/images/fotky/35885054126.pdfIn PDF document text
    • https://adilakaryakitnakliyat.com/kcfinder/upload/files/wiwobagujegowuluk.pdfIn PDF document text
    • http://multimetrics.com/ckfinder/userfiles/files/12951531481.pdfIn PDF document text
    • http://ekstelekom.com/userfiles/file/48541990827.pdfIn PDF document text
    • http://tercovci.cz/files/file/vamipijeporedinokasu.pdfIn PDF document text
    • http://costruzionibulagna.it/userfiles/files/gugaxol.pdfIn PDF document text
    • http://www.bash.cl/media/file/56454528411.pdfIn PDF document text
    • http://retailcop.ca/files/dobazedamokita.pdfIn PDF document text
    • http://haki.tincorner.com/uploads/files/gatetuminaturubeku.pdfIn PDF document text
    • http://aostavet.it/userfiles/files/lajudiritolupusudaganaw.pdfIn PDF document text
    • https://muguet.fr/sites/default/files/file/58872835678.pdfIn PDF document text
    • http://elmasryeverline.net/public/kcfinder/upload/files/20680640792.pdfIn PDF document text
    • http://schokoladenbrunnen.de/idata/panazegirokuxejiku.pdfIn PDF document text
    • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16205f1307ee2d---860847546.pdfIn PDF document text
    • http://nuraski.pl/wsg/userfiles/tosix.pdfIn PDF document text
    • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621de958ccc46---guwokamudirevupoxo.pdfIn PDF document text
    • http://egyptlance.com/userfiles/file/gozow.pdfIn PDF document text
    • http://cambridgekapurthala.com/damana/userfiles/file/76352080361.pdfIn PDF document text
    • http://biomax.shop/filespath/files/20220215020112.pdfIn PDF document text
    • https://paperland.bg/uploads/file/mosidimogaj.pdfIn PDF document text
    • http://ahchala.com/img/file/mapuxirugiwudi.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000775ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x775EF 18592 bytes
SHA-256: f30d2d77e4b769c80f0291b3162c4c76d5219255ebc1765b329cbf337364e846
font_01_sfnt_off0007a6b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A6B2 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0007bdd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BDD4 10984 bytes
SHA-256: dfcdb36e082017f96e3807c0d331c5e08b5e583bfdacab927855f9717f7eda0e
font_03_sfnt_off0007d75f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D75F 16220 bytes
SHA-256: 207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6

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