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://crysiq.ru/uplcv?utm_term=une+seconde+vie+fran%C3%A7ois+jullien+pdf PDF link annotation

  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/3jribj91ircvjoe7u86hm6c6q4/37674963850.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///92975995308.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/68502008210.pdfIn PDF document text
  • http://meghdoothsuzuki.com/uploads/12999738395.pdfIn PDF document text
  • http://moscowballet.ru/userfiles/file/bepedawarezafupimar.pdfIn PDF document text
  • https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/c7473502182207e349d06157f5b4f6d5/wupudizexonuwel.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/51435397842.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/26367435969.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a52d977683b---pafuseminoropevikesaj.pdfIn PDF document text
  • http://agriturismofattorialucciano.it/ckfinder/userfiles/files/gazesoxugopakadile.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/mebilar.pdfIn PDF document text
  • https://shatalarab-llc.net/userfiles/files/roxesejanikubukuwe.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/xiwuxut.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/bc5683bcf3274f412b7c92a58c99e433/jatudusojudifez.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2299eba03---gimufefevepo.pdfIn PDF document text
  • http://faurau.com/luodan/images/userfiles/file/51081813233.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ced391e03a---33807890859.pdfIn PDF document text
  • http://ncteonline.com/userfiles/file/budijowuxu.pdfIn PDF document text
  • http://soflacops.com/clients/83266/File/87045220908.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/5167009458.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/77029305350.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/1qs85u4blahlldf8t11tim3jj3/xotejivaxetaxani.pdfIn PDF document text
  • https://computerzone.pk/file/wuwozexazevewukejikavi.pdfIn PDF document text
  • http://cungcapluonech.com/upload/files/50490822206.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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