Malicious PDF — malware analysis report

Static analysis result for SHA-256 441a3d11e52359c2…

MALICIOUS

PDF

270.9 KB Created: 2022-02-03 00:37:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: 59ee0a27f981144b578d09d1255e0a63 SHA-1: 2ae7a93d56fb3edcbd31f32da00fc6fe5dcc66ca SHA-256: 441a3d11e52359c2214386441fddf2d7db58ad7291ef4ea79dd815ad93cbdb71
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6870

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://fecuq.co.za/XSRYdR1H?utm_term=harvard+referencing+style+guidelines PDF link annotation
    • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b6a65bc54ff---89333732189.pdfIn PDF document text
    • https://www.propertymegamart.in/admin/ckeditor/kcfinder/upload/files/pupajolelovifenuvimu.pdfIn PDF document text
    • http://capesociety.ca/uploads/files/xavirivonumogokukovawi.pdfIn PDF document text
    • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ee7fc6f2a0c---64078283597.pdfIn PDF document text
    • https://micsys.in/userfiles/file/18826162754.pdfIn PDF document text
    • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161147943266d6---bedapilojatasiwevamipiv.pdfIn PDF document text
    • https://at1-turbo-j3t.com/contents//files/bajiletetebitowekidij.pdfIn PDF document text
    • https://tutorsbureau.net/userfiles/file/50466538743.pdfIn PDF document text
    • http://www.upratujemeinak.sk/admin/ckeditor/kcfinder/upload/files/20600316117.pdfIn PDF document text
    • http://unitedpestmanagement.com/userfiles/file/27517115316.pdfIn PDF document text
    • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/jibrhsgsviv6cv1ebcac36lojv/juvavebokaduzowena.pdfIn PDF document text
    • http://richmediahouse.com/admin/uploads/file/92404830991.pdfIn PDF document text
    • http://usaoxin.com/userfiles/2021-8/file/36975698404.pdfIn PDF document text
    • https://orangerun.re/photo/files/dakapemusubanigini.pdfIn PDF document text
    • https://recapress.com/ckfinder/userfiles/files/11001994781.pdfIn PDF document text
    • https://pearproperties.in/userfiles/file/lugagosuluzigakiduluvi.pdfIn PDF document text
    • https://saigonservices.vn/images/uploads/files/fakamagonusopijukifitavu.pdfIn PDF document text
    • https://nhahangphongcanh.com/uploads/files/51553245130.pdfIn PDF document text
    • http://matras-devison.com/upload/file/dejurolaretefaj.pdfIn PDF document text
    • http://ave-france.com/pics/files/jorotokarababikuvuji.pdfIn PDF document text
    • http://allprintusa.com/admin/images/file/sexekexodaro.pdfIn PDF document text
    • https://nwdglobal.com/ckfinder/userfiles/files/37316199334.pdfIn PDF document text
    • http://usmp.pnl.ac.id/asset/kcfinder/upload/files/90404219392.pdfIn PDF document text
    • http://thanhcongtechtra.com/upload/files/lamimeramenotukabubedi.pdfIn PDF document text
    • http://engcaphone.com/_UploadFile/Images/file/51732968721.pdfIn PDF document text
    • http://evevoyance.fr/adh/.-/file/gitapakoloxoguvaledi.pdfIn PDF document text
    • http://tyextractor.com/d/files/23832146473.pdfIn PDF document text
    • http://bscartridge.com/pic/givebadarulekamig.pdfIn PDF document text
    • http://bishnutoursandtravels.in/userfiles/file/pafuxejewejakubek.pdfIn PDF document text
    • http://synergyproperty.com/images/files/70084035039.pdfIn PDF document text
    • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d6afb39e4---vamovexigitekego.pdfIn PDF document text
    • https://bushregenerators.com/userfiles/files/46274466923.pdfIn PDF document text
    • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/6f70f89a41c6f66bd2c07031415ce5e8/gowefakilufemadogorigeju.pdfIn PDF document text
    • http://www.podunajsko.sk/app/webroot/ckeditor/kcfinder/upload/files/roradopifut.pdfIn PDF document text
    • https://hinodanang.com/uploads/image/files/topimuzinumatidojomobe.pdfIn PDF document text
    • https://foodphotoshop.com/userfiles/files/36705807446.pdfIn PDF document text
    • http://www.civilhospitalpalampur.in/img/uploads/files/66402900369.pdfIn PDF document text
    • http://luxcottage.ru/stroykamen/userfiles/file/mamevikuxogokazuvamemid.pdfIn PDF document text
    • http://jenan.com/ckfinder/userfiles/files/31103975136.pdfIn PDF document text
    • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161fb001bbb40e---156511159.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 extracted file (font_00_sfnt_off0003cb71.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003cb71.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003cb71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3CB71 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0003e291.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E291 10804 bytes
SHA-256: a9d36011ce098544bfe321704f5096d1e580f2531b57fc02987828d45027a984
font_02_sfnt_off0003fb5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3FB5B 17728 bytes
SHA-256: 72c46001150e9abd531633a04fb3fdfebf4e668cd27a7a3ab55c66d8db941557