Malicious PDF — malware analysis report

Static analysis result for SHA-256 9418ba262d4135aa…

MALICIOUS

PDF

370.0 KB Created: 2022-03-19 01:21:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: b1520391fb31e88804e6ee2ce3ce6081 SHA-1: 2f7f71de9cb8cb1bf26b724a3d098cbf33adbb2c SHA-256: 9418ba262d4135aaf67bb1f1f29904797046e27341fa98a891a520f134aadd6e
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a high-confidence heuristic indicates it is a phishing lure for free downloads. The embedded URI and redirector link to a URL that likely leads to a malicious or phishing site. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5061

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.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=cadence+dsp+4.+8+software PDF link annotation
    • http://bukharajohnscreek.com/sites/default/files/file/tutedudalijifiruwosu.pdfIn PDF document text
    • http://mijinmotor.com/fckeditor/userfiles/file/56641734604.pdfIn PDF document text
    • https://shunnasato.com/zabametamigukutu.pdfIn PDF document text
    • https://bunyaminerdemir.com/resimler/files/zazupakarima.pdfIn PDF document text
    • http://fecirturizm.com/resimler/files/nawiliv.pdfIn PDF document text
    • http://www.granito-terrazzo.be/ckeditor/kcfinder/upload/files/tumup.pdfIn PDF document text
    • http://gopherandsquirrelcontrol.com/admin/images/file/42440193403.pdfIn PDF document text
    • https://darman.shasbodco.com/UploadedFiles/New/file/kowitefudane.pdfIn PDF document text
    • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/68655632399.pdfIn PDF document text
    • http://arbigaz.com.tr/panel/kcfinder/upload/files/35000114453.pdfIn PDF document text
    • https://pokereshop.cz/data/file/bafawigotobemotone.pdfIn PDF document text
    • https://www.funes.gob.ar/ckfinder/userfiles/files/81946384326.pdfIn PDF document text
    • http://vaynhe.com/upload/files/45932504460.pdfIn PDF document text
    • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/igqa8j4hesf0traglkfgtleaqn/48522389540.pdfIn PDF document text
    • https://newshieldinsurance.com/demo/gsa/final/images/file/11974089206.pdfIn PDF document text
    • http://sparan-art.ru/ckfinder/userfiles/files/52800396780.pdfIn PDF document text
    • https://miet.hu/kepek/poreloratixonovepixosoni.pdfIn PDF document text
    • http://ieclop.pnl.ac.id/asset/kcfinder/upload/files/kaloka.pdfIn PDF document text
    • http://www.egavilanes.com/ckfinder/userfiles/files/93643350995.pdfIn PDF document text
    • http://csc-0898.com/userfiles/file/20220208135759_4kurza.pdfIn PDF document text
    • https://hrmconsulting.biz/upload/files/76091932237.pdfIn PDF document text
    • http://mentoslaci.hu/admin/kcfinder/upload/files/7270703949.pdfIn PDF document text
    • http://struna.bg/admin/kcfinder/upload/files/xoxew.pdfIn PDF document text
    • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/42213056293.pdfIn PDF document text
    • http://faizleathergloves.com/userfiles/files/17505276185.pdfIn PDF document text
    • http://protectpharmaceuticals.com/Images/files/giditajubevoresopitek.pdfIn PDF document text
    • http://creativetechno.in/userfiles/file/89466676830.pdfIn PDF document text
    • https://jpt.mysmartedu.com/uploadimages/files/sofowu.pdfIn PDF document text
    • http://contactfm.be/userfiles/files/96923605174.pdfIn PDF document text
    • http://www.omniasubventio.sk/admin/ckeditor/kcfinder/upload/files/88814577938.pdfIn PDF document text
    • https://moveo-sport.pl/userfiles/file/87314201762.pdfIn PDF document text
    • https://dadrarad.ro/userfiles/file/lilaxisa.pdfIn PDF document text
    • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1621740d6e29ab---letikikuje.pdfIn PDF document text
    • http://fnb-concepts.com/images/uploads/files/1916446324.pdfIn PDF document text
    • http://www.corazondelsol.es/ckfinder/userfiles/files/24355350397.pdfIn PDF document text
    • http://cuathepvangohaiduong.com/images/ckeditor/files/62582193410.pdfIn PDF document text
    • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16210c8895ee58---869846450.pdfIn PDF document text
    • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/54280101412.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_off000530cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x530CB 10944 bytes
SHA-256: 6890c3ff6c488d663f315a854b6838cbd83c68953958c0ae4dc20e2704cf75f6
font_01_sfnt_off00054a70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54A70 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00056187.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56187 10984 bytes
SHA-256: 82aebcbf9ec938dea2afe0cbeb8c7f0b7f0bf3e97f46fe978400afadaf2ec3e4
font_03_sfnt_off000583c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x583C8 19716 bytes
SHA-256: 381f9442ae1f9ebf505395b9ebf4dd183d1ed4bb368f41075a97fc764aefcb94

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