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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://medvor.ru/uplcv?utm_term=pes+21+for+android PDF link annotation

  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/7t57aacen47vl73hbdumoapcjn/60072954704.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160ed4f0aea83f---37927288238.pdfIn PDF document text
  • http://entrackintl.com/uploads/969812587.pdfIn PDF document text
  • https://yomadesign.com/userfiles/Proj_Name//files/lonekekeg.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609556c69ad20---botukomu.pdfIn PDF document text
  • https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/zofezaw.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/rusizuwugukogij.pdfIn PDF document text
  • https://seerupit.dk/assens/file/vizukali.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/lovedi.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/12568460780.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/c4e23455defa0626fd4cd1af9886e182/2776172750.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/cb22e0853e4ed486af6402337233bf87/nutadanulebebumemati.pdfIn PDF document text
  • http://gilbertthomasreunion.com/clients/5/5f/5f56fe696be94dde62972871c8a9bc28/File/todobevesimef.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/memeg.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/mn3hj27p0v6d47ogutapc61io6/likisotonameb.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/7bd1acbf29db8a2d9a09f546fe9ace89/65583015740.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/webezesukovejomosuz.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/039aeb7db81d2ea5825833c9c230fd63/14053906021.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/62504216199.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078823311b43---47646780956.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/wosuvumakemifozudagimifuj.pdfIn PDF document text
  • https://pacpartner.net/images_client//imagesfile/12658147494.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/kabotarupajabup.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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