Malicious PDF — malware analysis report

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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://energiadirect.pl/application/resources/ckfinder/userfiles/files/kizopeburonelokadatoxawif.pdf In PDF document text

  • http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/kinukawupebepigoroli.pdfIn PDF document text
  • http://tlumacz-bialystok.pl/pliki/file/nalujiv.pdfIn PDF document text
  • https://weishinclinic.com/uploads/files/202109032337507486.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/futezozomide.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/lojibofulotizoluditabaja.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/64076022191.pdfIn PDF document text
  • https://nyirfa.hu/uploads/files/bupevibaxonanebab.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/sekefupejegosewezutoxifug.pdfIn PDF document text
  • http://sziazsauto.com/uploads/files/famesefok.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/858504468.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210905150910_828041423.pdfIn PDF document text
  • https://wic-net.com/userfiles/file/lemekozujepusolipixokadev.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/21281895571.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/xogixaduriso.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/pupukikunaxemexeb.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/12041616507.pdfIn PDF document text
  • http://dreamsurgerycn.com/ckupload/files/gigete.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/64904645994.pdfIn PDF document text
  • http://jgweld18.com/UploadFile/file/20210909071550668.pdfIn PDF document text
  • http://zjgyuanhong.com/v15/Upload/file/20219131197954.pdfIn PDF document text
  • http://rigosarchitects.gr/userfiles/file/wefefivarebavawepowirosib.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/xukufijuniwalejibekit.pdfIn PDF document text
  • https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/bajanuvusesu.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/161387b035c7be---pitagepupinifopodaneso.pdfIn PDF document text
  • https://istanbularicilikfestivali.com/upload/ckfinder/files/dunabogenegof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=my+cafe+mod+apk+android+1PDF link annotation
  • 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

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