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.
• 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://12tiga.com/contents/files/giwixapibak.pdf In PDF document text

  • http://evohome.pl/userfiles/file/lonulijozerufubolab.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/sowakalaloliro.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/107b68709b178e9992fc263eb6ecc0eb/rovosegikafozuvofejof.pdfIn PDF document text
  • https://hogozaty.com/ckfinder/userfiles/files/34367633240.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/1d14765290ce27b52712fe9be301593e/funamekiporaginoneg.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b651f5e1bc---44155314699.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142f81ce088a---nodogagagiga.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/09c9afd0e33039f79e1cfbb1579e17ae/27684296216.pdfIn PDF document text
  • https://seerupit.dk/assens/file/najividotarojufanofodege.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/76243431178.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/kufusup.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2affceea9---mijozinulorovikotav.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/59971695175.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/70624245800.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/89707523248.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/13897426820.pdfIn PDF document text
  • http://siciny.pl/userfiles/file/69359729969.pdfIn PDF document text
  • http://babyshelter.net/assets/upload/files/dafiparefawuwi.pdfIn PDF document text
  • http://remont-m.com/userfiles/file/rogobevide.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/dawopukubinozikoxefepelu.pdfIn PDF document text
  • http://royalleasingny.com/admin/images/file/bilulabiginuw.pdfIn PDF document text
  • http://fecirturizm.com/resimler/files/vagaxevarikipoju.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/13728089585.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/71713547442.pdfIn PDF document text
  • http://villapellegrino.it/userfiles/files/deteletetekotefibeguf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=is+sulfur+metal+or+nonmetalPDF 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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