Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd85db678f41250…

MALICIOUS

PDF

594.8 KB Created: 2022-03-02 00:54:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 1faa8248778c104ed53418281011e64e SHA-1: ee9f07a09f6d14ba19ac7b8fd30a95912b2812fe SHA-256: 3dd85db678f412506dfd022291890d4438417d551091a7435d2c23f16a6d1513
144 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3586

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://lovig.co.za/XSRYdR1H?utm_term=imdb+interstellar+parents+guide PDF link annotation
    • http://www.stts-tir.com/admin/kcfinder/upload/files/marasakasejibitax.pdfIn PDF document text
    • http://goupcrm.com.br/kcfinder/upload/files/kibabatoma.pdfIn PDF document text
    • https://dev-intranet.publiticket.fr/intranet/upload_fckeditor/file/18380664927.pdfIn PDF document text
    • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16212a66cc2f17---79578090704.pdfIn PDF document text
    • http://pflp-sy.org/assets/js/admin/ckeditor/kcfinder/upload/files/zulazadufurulirukekilofa.pdfIn PDF document text
    • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/a266bd81556a314e10bb7ab6b3d1d9fa/57305138269.pdfIn PDF document text
    • http://luckysim.com/userfiles/file/liwatalexamawasutimi.pdfIn PDF document text
    • https://photojet.bg/userfiles/file/52387411792.pdfIn PDF document text
    • http://etabetasurvey.com/userfiles/files/jenagurifuvopewutezobax.pdfIn PDF document text
    • http://theatergruppe-nestelbach.com/rogan/admin/fckeditor/bilder/file/xaxilomedasow.pdfIn PDF document text
    • https://nurdagihaber.com/resimler/files/lobelitunejuw.pdfIn PDF document text
    • https://subarini.sibiuimobiliare.ro/mm/file/72814284298.pdfIn PDF document text
    • http://alkord.kz/app/webroot/js/kcfinder/upload/files/16246532044.pdfIn PDF document text
    • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1864840756211f6e351a14.pdfIn PDF document text
    • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ff92977c0c2---nusemikezopu.pdfIn PDF document text
    • https://absolutefusionworkout.com/userfiles/files/14394230681.pdfIn PDF document text
    • https://ryokanclub.com/FileData/ckfinder/files/20220203_CD8B59B7EA15D596.pdfIn PDF document text
    • http://thailaundry.com/imgUpload/files/wosewedasuninemin.pdfIn PDF document text
    • https://baxsporthorses.com/userfiles/file/24288670784.pdfIn PDF document text
    • http://www.transfuzia.org/gfx/administration/js/ckeditor/kcfinder/upload/files/69930379791.pdfIn PDF document text
    • http://ptktent.ru/userfiles/file/88867385645.pdfIn PDF document text
    • https://anciensite.ville-rouillac.fr/docs/file/51051173518.pdfIn PDF document text
    • https://travelinnsuites.com/nbloom/fckuploads/file/32721370649.pdfIn PDF document text
    • http://xn--80aamwn.xn--p1ai/userfiles/file/papegiruvewesunudinomabaj.pdfIn PDF document text
    • https://demowz.reikor.com/webimages/files/74498856233.pdfIn PDF document text
    • http://3e3i.com/UserFiles/file///gilifimaze.pdfIn PDF document text
    • http://bizzarro.be/admin/kcfinder/upload/files/53874870579.pdfIn PDF document text
    • http://eikenhorstgroep.nl/userfiles/file/xojokawuviribesokefe.pdfIn PDF document text
    • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620a428293443---22178383741.pdfIn PDF document text
    • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/76562688752.pdfIn PDF document text
    • https://medgal.pl/admin/ckfinder/userfiles/files/vakoxoj.pdfIn PDF document text
    • http://picassogift.com/Uploadfiles/files/3094245813.pdfIn PDF document text
    • http://lejuriste.ru/files/file/75777595333.pdfIn PDF document text
    • http://sys-svinding.dk/userfiles/file/kirinugukufoketejep.pdfIn PDF document text
    • http://morard-mcf.fr/data/Files/potuwovozovelanujuvedix.pdfIn PDF document text
    • http://zhongkerb.com/userfiles/file/7225336594.pdfIn PDF document text
    • https://dlt-nkp.com/fileupload/file/60640342247.pdfIn PDF document text
    • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/0044f292e134c26135c6ada07c39e71f/65866572409.pdfIn PDF document text
    • https://ccs-corporation.com/ckfinder/userfiles/files/surarekiweb.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_off0008dd82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DD82 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0008f49d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F49D 17644 bytes
SHA-256: 754dfe7f6622e2ad5ed223f620fb8eeb420c19f406e3e5537cd3c81282addea4
font_02_sfnt_off00092239.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92239 10804 bytes
SHA-256: 23881214078510e1860bff6c54e6b2ee6bd7d8b5df8f51cd75e3344e17f5c43f

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