Malicious PDF — malware analysis report

Heuristics 6

• 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 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://dakhoathienhoa.net/images/files/77052065719.pdf In PDF document text

  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/uen3q4ltt5armtqrajmkccch7g/wopiloxajis.pdfIn PDF document text
  • https://goodmix-psc.com/userfiles/files/dixijalonalofeli.pdfIn PDF document text
  • https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/xonaluwa.pdfIn PDF document text
  • http://cybernet-ap.com/UserFiles/File/rivoganuxotapaxubevizuz.pdfIn PDF document text
  • http://chieucoingason.vn/files/sifijubopowo.pdfIn PDF document text
  • https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/gizazunogonozaxuz.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/43528017407.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/7359867915.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/46608073845.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/5b667f108f036961ab4944533562a81b/61818513951.pdfIn PDF document text
  • https://parisnordmedical.fr/docs/file/31349291148.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/laxigizanuguj.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16141ca770b30d---47875102888.pdfIn PDF document text
  • http://turbotechnik24.de/userfiles/file/39814977980.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/kuvir.pdfIn PDF document text
  • http://mondoacquapiscine.com/userfiles/files/zunaxijorogitimekulajusur.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/20953951511.pdfIn PDF document text
  • http://vitacanes.com/uploads/files/23932695704.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/radibasumavebolopobisek.pdfIn PDF document text
  • https://maintogelonline2.bet/contents/files/xilujupunorexozegasi.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac4b4b3893---zozeviz.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/guwepotes.pdfIn PDF document text
  • http://protectakoteasia.com/ckfinder/userfiles/files/71514388417.pdfIn PDF document text
  • http://ferramentabelleggia.it/public/file/bujovo.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5225e777a---81878052169.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+send+photos+from+android+to+ipadPDF 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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