Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f66beeaaaef4651…

MALICIOUS

PDF

476.3 KB Created: 2022-04-13 10:52:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-30
MD5: 53ff96267b4bd0808bc2094cae5d7558 SHA-1: 446d7c212676d3169430c9eee8763475a44fc767 SHA-256: 8f66beeaaaef465126cca100cb9a033f057c65e4fedc67e1c7fc38e13acf042e
161 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4717

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.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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=resident+evil+full+movie++tamil+dubbed PDF link annotation
    • https://pmb.unimal.ac.id/assets/plugin/kcfinder/upload/files/pilivutowunewotojemi.pdfIn PDF document text
    • https://nhatthiengroup.com/files/uploaded/files/53683833644.pdfIn PDF document text
    • https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/63733078627.pdfIn PDF document text
    • http://wronba.com/uploads/wysiwyg/file/jelurisuvafawoxetelodose.pdfIn PDF document text
    • https://amatnieks.com/pictures/image/senibetowagiwomafiximil.pdfIn PDF document text
    • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1620c046aadd4c---mupodagupevafexa.pdfIn PDF document text
    • https://szemere-iskola.hu/images/files/96299894107.pdfIn PDF document text
    • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/ecdf1f704450a54dfcbf3f04876e5281/17050723470.pdfIn PDF document text
    • https://dichvumoinoi.com/ckfinder/userfiles/files/maxezeniza.pdfIn PDF document text
    • http://undergroundspitters.nl/kcfinder/upload/files/60420170060.pdfIn PDF document text
    • https://ebus.myskoolapp.com/FCKeditor/FCKimgUpload/file/fugozivuvewuguvedasexi.pdfIn PDF document text
    • http://blossomtour.net/FileData/ckfinder/files/20220222_8DD3A6F225E03786.pdfIn PDF document text
    • http://www.sudeshnamaulik.com/fckimages/file/77740470534.pdfIn PDF document text
    • http://elskenecologie.nl/files/6642352288.pdfIn PDF document text
    • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/kfi1fnva43gnsgokbvi108o539/59066839992.pdfIn PDF document text
    • http://blackhorsesc.pl/userfiles/file/28757145243.pdfIn PDF document text
    • http://thanhtamgia.com/ckeditor/kcfinder/upload/files/3467616311.pdfIn PDF document text
    • http://soncongnghiepjotun.com/media/ftp/file/fibigari.pdfIn PDF document text
    • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16253faa3cf17a---zabejigiz.pdfIn PDF document text
    • http://uniradioweb.info/userfiles/file/49977379121.pdfIn PDF document text
    • http://alexdisinfestazioni.com/userfiles/files/bepinedisodibufunus.pdfIn PDF document text
    • http://zsmnowakowski.pl/userfiles/file/78862797681.pdfIn PDF document text
    • http://studio-namiya.com/application/upload/files/283790657.pdfIn PDF document text
    • http://eortak.com/img/fck_temp/file/1438698020.pdfIn PDF document text
    • https://emartdeko.pl/galeria/file/16833080159.pdfIn PDF document text
    • http://applyforloansnow.ca/site-uploads/7606157845.pdfIn PDF document text
    • https://www.montferri.com/admin/js/plugins/kcfinder/upload/files/vatelazajusakusizave.pdfIn PDF document text
    • http://auxerretv.com/content/public/file/31726868807.pdfIn PDF document text
    • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1622a78b2b5dce---24130673153.pdfIn PDF document text
    • http://manu-transport.com/documents/file/13424348008.pdfIn PDF document text
    • http://lpxs168.com/filespath/files/20220304121335.pdfIn PDF document text
    • http://anaminfo.com/attachfile/file/rirurigomidozi.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_off00070470.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00070470.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00070470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70470 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00071c82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71C82 16832 bytes
SHA-256: 6c48ba1c413b3a17cbdbd370aaa3dee268ddc5a66c2133d8c73f6e9d655a06f9
font_02_sfnt_off0007485f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7485F 10764 bytes
SHA-256: 3db261debfd7f23821bb3e8546e86fd35ad9cb1fd9bf4e22f41c375fdf8872dc