Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://smidgel.ru/uplcv?utm_term=downloading+voicemails+from+android PDF link annotation

  • http://heatexchangersolution.com/upload_fck/file/2021-9-5/20210905222227145797.pdfIn PDF document text
  • http://nesemlak.com/test/images/uploads/files/bifog.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/bitufaropunepom.pdfIn PDF document text
  • http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/todaje.pdfIn PDF document text
  • http://www.web-globus.de/ckfinder/userfiles/files/2663739981.pdfIn PDF document text
  • http://rutka.pl/media/upload/files/dee92f1122f24935ae57e32bf9000f65.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c359c7b07448a5a20086cfaa8e06be78/malemuwosananumudo.pdfIn PDF document text
  • https://longislandinvestmentadvisors.com/nini/userfiles/file/vosexaru.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/semigad.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/47986113494.pdfIn PDF document text
  • https://unicon-msk.ru/data/files/97173966274.pdfIn PDF document text
  • http://m-camper.ru/ckfinder/userfiles/files/88077333262.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/gesosumuva.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135114ae2618---90281968518.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/2021913348149255.pdfIn PDF document text
  • http://jullien38.com/ressource/site-image/files/fubizedasew.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/70047557600.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///85865616935.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/83635885673.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f801ae4544---povesevewupibub.pdfIn PDF document text
  • https://vietnam-pump.com/userfiles/file/88967471688.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/46560335726.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/kezagiremufevaki.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/49598439109.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/vosadivabowakanavo.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

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