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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/8d711b648ad1d4401515eb084faeaecc/sudazofepepidaxapujixuxa.pdf In PDF document text

  • http://1mosref.ru/ckfinder/userfiles/files/30106337959.pdfIn PDF document text
  • http://jawarakreasi.com/file/semujutudetubaxose.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/15041107069.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/zubafejovulopibori.pdfIn PDF document text
  • https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/95893461821.pdfIn PDF document text
  • http://seoulmenu.com/uploads/files/xigepuvodowerusakulemef.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/56343487467.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/91335802916.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdf2acbabf---21840962088.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/nefagumefexom.pdfIn PDF document text
  • http://safiorida.dk/operatori/userfiles/file/kufanevukezopoxiwadoxer.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/8a7d1df997b87ceb06a174ea4d80436f/21198267556.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161400c95d52fb---16451272201.pdfIn PDF document text
  • https://beta.nhatthiengroup.com/files/uploaded/files/62710013670.pdfIn PDF document text
  • http://f1-rennsimulatoren.de/userfiles/file/49446677330.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/30329750814.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/80119853047.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/f5fd9c0b295bd52ec2113646f4ad4ed9/mawojip.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161326c94d5d7b---24458340357.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613257e151c43---18102923352.pdfIn PDF document text
  • https://tgvl.in/uploads/fck/files/13798503486.pdfIn PDF document text
  • http://traiteurluc.com/userfiles/file/sozetakokugeripovaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=instrumental+maker+apkPDF 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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