Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://infrive.ru/uplcv?utm_term=microbiology+with+diseases+by+taxonomy+4th+edition+pdf+free+download PDF link annotation

  • http://abdon.madteam.net/ckfinder/userfiles/files/9996026806.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/38364031089.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/lozaguxenenep.pdfIn PDF document text
  • http://ydyb.com/filespath/files/20210912105000.pdfIn PDF document text
  • http://tokstar.com/_UploadFile/Images/file/rukowalazevulapi.pdfIn PDF document text
  • http://orlickachata.cz/files/files/21082295528.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///44972050705.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/dc6c04e37b09d17af7c7cc7457877c34/83770619560.pdfIn PDF document text
  • https://gtselect.fr/ckfinder/userfiles/files/4840171390.pdfIn PDF document text
  • http://fygl.net/uploads/file/07160830515.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/86536117222.pdfIn PDF document text
  • http://kedehg.com/ckfinder/userfiles/files/72501375083.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/tiwif.pdfPDF link annotation
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dae488c97a---toxetapirurelavuke.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140aa68ebdf5---36102548907.pdfIn PDF document text
  • http://www.salac.cz/ckfinder/userfiles/files/xagaworevuboler.pdfIn PDF document text
  • http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/zologetape.pdfIn PDF document text
  • http://cutyoursupport.com/userfiles/file/60203816799.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/36985519013.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137b63e68c63---bulozipupanupunomugadez.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/48834281024.pdfIn PDF document text
  • https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/478558646.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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