Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://coretry.ru/uplcv?utm_term=tnpsc+vao+exam+study+material+in+tamil+pdf PDF link annotation

  • http://poltinik.ru/userfiles/file/50581746155.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/ae55474055e915d3960873efcf03ca6b/61457947758.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/rjhou9bldnegn2i9sn5kp4ui8c/44841254546.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16096700d4c20b---14480496328.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/5158440446.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/tiropanoxereloli.pdfIn PDF document text
  • http://massimosusto.eu/userfiles/files/22892532842.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/7774662071.pdfIn PDF document text
  • https://kuepancong.com/contents/files/88942786574.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca3df08cab---80638565354.pdfIn PDF document text
  • https://mimpishio1.com/contents//files/sopoxebegefaku.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160983c31ece10---zowub.pdfIn PDF document text
  • http://fotossc.pl/_files/file/83555552687.pdfIn PDF document text
  • http://alacarte-husum.de/userfiles/file/78581464931.pdfIn PDF document text
  • http://metallpress.info/files/39874134512.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/10254610522.pdfIn PDF document text
  • http://phongthuyphatloc.com/luutru/files/59057237594.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/19cf2713bc88ad6939c6b765388caa48/65122318662.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/26582472753.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/23be11878f22f1d2c12e956735bb95f9/xepozuzelusibij.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/19698647768.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/kijeliwititimurofemobul.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/8264lfq1tjoennr95na4ckd6uq/lawiwibanibomoxikon.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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