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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 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://catamma.ru/uplcv?utm_term=g8+plus+android+10+update PDF link annotation

  • https://indolabtek.com/Uploads/userfiles/files/92971394438.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/ogm59ji2eqd4kdgch6kaf70fdd/wegaf.pdfIn PDF document text
  • https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/12402693626.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/siwijinejakakubesosumokus.pdfIn PDF document text
  • https://pokereshop.cz/data/file/24797210543.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/71728544471.pdfIn PDF document text
  • http://husplaza.hu/editor_up/60428196872.pdfIn PDF document text
  • http://panel2conso.com/userfiles/file/95552613343.pdfIn PDF document text
  • https://luatsuavina.com/userfiles/file/ledopulatibipoxunine.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/sg50cfc8snu1t8celiadvqaff6/zawevivavarazomesojexuveb.pdfIn PDF document text
  • http://landia-print.com/pdir/file/9393787323.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/tesixudut.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/92961356412.pdfIn PDF document text
  • http://splhardware.com/UploadFile/file/2021090318245773499.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5f2ada7b4---12020085418.pdfIn PDF document text
  • http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/gabiretitagapurojiladobus.pdfIn PDF document text
  • http://sk-uralstroy.ru/uploads/files/69830283866.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3e4a2971c---33506182257.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/32421107524.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135c4a344ccd---wojepuzus.pdfIn PDF document text
  • http://perseverance.cyou/updatefiles/file/53108413006.pdfIn PDF document text
  • http://explosivedevices.ru/media/file/41217184974.pdfIn PDF document text
  • https://24emk.ru/ckfinder/userfiles/files/78290056400.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/79715601298.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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