Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3e15bf350a2242…

MALICIOUS

PDF

166.8 KB Created: 2022-02-11 10:21:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 1d5acb820921abbe0635e849ddc8756f SHA-1: e18dfcdb50cba6a6aa519f84663984e5a16e0b80 SHA-256: 4e3e15bf350a2242d3807488a9f37a8de86e9e09a897cdcb74029b7df8f8e665
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8117

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://yoyep.co.za/XSRYdR1H?utm_term=aruba+iap-+315-+rw+manual PDF link annotation
    • http://kozszemle.hu/uploads/files/sazawusevikine.pdfIn PDF document text
    • http://www.bennex.co.th/assets/kcfinder/upload/files/87941180087.pdfIn PDF document text
    • https://cleanenergy.mn/uploads/files/24747538432.pdfIn PDF document text
    • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e89aa8700d3---22267886893.pdfIn PDF document text
    • http://lacasedescaraibes.fr/file/1636122657.pdfIn PDF document text
    • http://brothersconsultingllc.com/kcfinder/upload/files/74860770417.pdfIn PDF document text
    • https://transturist.transturist.com/ckeditor/ckfinder/files/files/73677792291.pdfIn PDF document text
    • http://chandravanshi.com/userfiles/file/98693719121.pdfIn PDF document text
    • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/27338617306.pdfIn PDF document text
    • http://luingpyrex.cz/foto/Image/file/komixawimomiverorofavurut.pdfIn PDF document text
    • http://df-2.de/images/daten/file/31855968830.pdfIn PDF document text
    • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1627990628.pdfIn PDF document text
    • http://think6.net/ckfinder/userfiles/files/20210909152704.pdfIn PDF document text
    • https://mapst.org/Admin/assets/ckeditor/kcfinder/upload/files/92098597130.pdfIn PDF document text
    • http://getem.pl/files/file/xelilajovinas.pdfIn PDF document text
    • http://homeopathyhongkong.org/files/71259608123.pdfIn PDF document text
    • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/161357c8e10a35---miralulapasoxedowidaxat.pdfIn PDF document text
    • https://1000fdep.talenzsoftware.fr/upload/files/64493145573.pdfIn PDF document text
    • https://kamarkosong.com/contents//files/zisux.pdfIn PDF document text
    • http://pitchdecor-construction.com/user_img/files/wibelusowukoseguz.pdfIn PDF document text
    • https://elminhaj.org/userfiles/file/xuxaxolozum.pdfIn PDF document text
    • https://neksav.com/upload/ckfinder/files/31130660446.pdfIn PDF document text
    • https://www.silverskilled.com/gateway/kcfinder/upload/files/55721793130.pdfIn PDF document text
    • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/161875f53bceaa---xedojasa.pdfIn PDF document text
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/38fac250505140de49be1fe654da8302/bemigused.pdfIn PDF document text
    • http://fra2ange.it/userfiles/files/32683601860.pdfIn PDF document text
    • http://gradn.ru/uploades/fckeditorfile/70887106163.pdfIn PDF document text
    • https://crawfordpoint-ca.seeninherd.com/files/83994372178.pdfIn PDF document text
    • http://stefani.cz/fck/file/kerujobixilexudoraga.pdfIn PDF document text
    • http://tungalag.mn/userfiles/files/nerevakokowaju.pdfIn PDF document text
    • http://dientrotiendathc.com/media/ftp/file/33992764023.pdfIn PDF document text
    • http://195exim.com/datas/files/petegaxe.pdfIn PDF document text
    • http://adasbruiloften.nl/userfiles/file/pivosabimom.pdfIn PDF document text
    • http://awarelaxcentrum.cz/user_files/file/91074900089.pdfIn PDF document text
    • https://tes-sys.com/uploads/ckfinder/files/20210816/16290435595540.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_off000230ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x230EF 16948 bytes
SHA-256: da77e21826d24c876219b073d3fd4719e963e5536f3025fd7c7f8d3b8798d15a
font_01_sfnt_off00025cdb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25CDB 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000273fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x273FB 10592 bytes
SHA-256: 917e3a2c22b024465f11d4492e1d41b7ad024d65e3a653b82a72754ae0f518b3