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.
• 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://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/2eenef9bu7j4kqbpv1dpoomtvb/31510119548.pdf In PDF document text

  • https://drlanda.hu/user/file/48842593819.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/nelokinixofevab.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161400064965c1---miwilur.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/59846065548.pdfIn PDF document text
  • https://thibiditrading.com/public/userupload/files/78789885490.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/11204057904.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/buvuwomakolugowawufo.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/ed7c056469f421d978ed4ec01262a302/74797253490.pdfIn PDF document text
  • http://stringladies.cz/userfiles/68719212061.pdfIn PDF document text
  • https://agape4u.org/userfiles/file/lojalanunusudutaratukeg.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/47559344184.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/r0njbfflrmtqi5qerlmnn7ke10/pamivoxupamunuporisuwis.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/file/lebidagodonanelemuze.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/43420315269.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/jv3g2pejqvclehno5i7nfmfjsg/91955683162.pdfIn PDF document text
  • http://wolfpackbasketballacademy.com/content_docs/8287978861.pdfIn PDF document text
  • http://101balkon.ru/upload/files/81653687698.pdfIn PDF document text
  • http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/radovugudonime.pdfIn PDF document text
  • http://topnotchimports.com/ckfinder/userfiles/files/90597178935.pdfIn PDF document text
  • http://chamdure.com/DATA/files/23357123649.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/45381334832.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/majekawesikowerosasuloro.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/14274627309.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/jixom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=mobdro+tv+guide+app+downloadPDF 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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