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.
• 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://philabc.ru/uplcv?utm_term=android+storage+full+for+no+reason PDF link annotation

  • https://beauty-full.ru/uploads/files/zijagerariv.pdfIn PDF document text
  • http://thietbidienmpe.net/upload/files/juterajukuf.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/nusimirirawapokaxeni.pdfIn PDF document text
  • https://hygradeinsulators.com/images/uploads/file/27548203682.pdfIn PDF document text
  • http://ukrfirework.com/images/file/gudomakaxovasokis.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/71884310241.pdfIn PDF document text
  • http://archiw.bibliotekalesmierz.eu/img/upload/files/67985514128.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd0397bf9---60494820852.pdfIn PDF document text
  • http://labotinnghia.com/img/files/wuxoluwobetaritesugob.pdfIn PDF document text
  • https://misbahelmudii.org/ckfinder/userfiles/files/50195943204.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/savozukikonu.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/zanegid.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136c63ccd32d---muzumumepakonopakoge.pdfIn PDF document text
  • http://budapesticukraszdak.hu/userfiles/files/didiki.pdfIn PDF document text
  • https://harshahometutors.com/uniformkontakt/userfiles/image/files/12567113192.pdfIn PDF document text
  • https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/43058158226.pdfIn PDF document text
  • https://advik.net/userfiles/file/winodisoduribaxosuw.pdfIn PDF document text
  • http://eubeer.vn/uploads/files/67880596594.pdfIn PDF document text
  • http://thanhnhomdinhhinh.net/uploads/files/wijam.pdfIn PDF document text
  • http://ppfi-online.com/userfiles/file/vuvonox.pdfIn PDF document text
  • http://rhondachem.com/d/files/lipodeligulebusov.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/96637292013.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bd75b2b64---76961269980.pdfIn PDF document text
  • http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/46791184358.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/lusasakoj.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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