Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://archism.ru/uplcv?utm_term=gta+5+androking+ppsspp PDF link annotation

  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d116e6255---1576846388.pdfIn PDF document text
  • https://rivieresoceanie.com/userfiles/file/46322802132.pdfIn PDF document text
  • https://foodsafebox.com/ckfinder/userfiles/files/jufos.pdfIn PDF document text
  • http://imhyuk.com/imhyukeditor/userfile/file/92162092578.pdfIn PDF document text
  • http://jjw-led.com/userfiles/file/96979997933.pdfIn PDF document text
  • https://grup-insaat.com/userfiles/file/tegubonaz.pdfIn PDF document text
  • http://020tzs.com/baige/images/userfiles/file/31142716533.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/wojisefusitilosefal.pdfIn PDF document text
  • http://geose.ru/userfiles/file/3976736072.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/dipoxeku.pdfIn PDF document text
  • https://samowar.me/upload/file/77797142548.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/vopufikudowusawajetusi.pdfIn PDF document text
  • https://people11people.gr/uploads/File/76308765563.pdfIn PDF document text
  • http://shopsuathientu.com/uploads/userfiles/file/20959316038.pdfIn PDF document text
  • https://medbioplast.com/klucharnet/images/file/vefulunokonifir.pdfIn PDF document text
  • http://lingvastar.z-i-g-z-a-g.com/userfiles/files/78277491319.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/49317324095.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147fcf0184e7---rijojokupipuwaxigafi.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/kazokupabutiwaniratijamo.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/0hcm7v87bifd6naisf0a3dhvt6/kegetatidis.pdfIn PDF document text
  • https://verredistri.fr/xmedia/file/99121855172.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132dbe00b605---41366427758.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/6701147189.pdfIn PDF document text
  • http://askaudit.ru/price/dufulag.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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