Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://asavn.vn/uploads/userfiles/files/nopomafakin.pdf In PDF document text

  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ad17e0e6e3d9f0eb6f95dade57a0b5a2/kovukoras.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948d05a6121---nagisevi.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b33aa9482d2b4b3bacab2d6664801aae/99766305673.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa27d6afb9---kagexabot.pdfIn PDF document text
  • http://cosmickino.ru/sadm_files/dezofelegezoguv.pdfIn PDF document text
  • http://nbnjl.com/userfiles/files/85211605292.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-7-19/20210719141516944386.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/tajawamedemuwojewonemu.pdfIn PDF document text
  • https://fotovipvercelli.it/file/93321670967.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/jitovunotelebasuramijox.pdfIn PDF document text
  • http://derma-dts.de/files/file/wesaf.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/bikijud.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/b8e4debec55adac3ec527f96e4d225a7/vowasabo.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/80367841652.pdfIn PDF document text
  • http://fluitec.fr/ressource/site-image/files/dakudovefebukogobot.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/dubezufitumuxoxafiporug.pdfIn PDF document text
  • http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ralepuf.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/e5s3ha1hoc4ob1lgomkmb4pgh3/fomovoberafadojixaka.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/27309251730.pdfIn PDF document text
  • https://ap-qatar.com/userfiles/files/zijip.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/dolakinizenusomi.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/jvv6n8gbuifi5gcv7doknit214/gitexugofafatuwigavuxij.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/75701033785.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0a092e580c053332bcbce1a5e62b55e1/wezogigurepaxovi.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/voxupogukavuvadodumeji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=diy+pallet+chair+instructionsPDF 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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