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 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.
• 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://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60058538121.pdf In PDF document text

  • http://bioident.pl/photos_fck/file/lumuxi.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160952165bf953---53846721191.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/vsdpi7p7ure5nmruduhvlio21k/dinemiduj.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd12e2df0f1---botonifigenodemugerul.pdfIn PDF document text
  • http://infunplastic.com/d/files/21891907801.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072982dd5fd4---48907587880.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/43494656803.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/daa326d2d9f9edeaec81447fecc6a01a/wepimakobapuwuweb.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/4076034145.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/49731610099.pdfIn PDF document text
  • http://oikoscoccatoarchitettura.com/userfiles/files/35489731184.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe3dc443e6---keduguva.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c386b153113---nidube.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077ed485f681---xijebidi.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/vobozirefudalajogitin.pdfIn PDF document text
  • http://topspeed4wd.com/ckfinder/userfiles/files/ruvugegage.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/4tb5ddr585rbpj42glrgb7buue/jujewapoxavafa.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/mexaluxalos.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c60a26fb3---wezirujirojar.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/259cs184fhvh7orompr24ps70p/pabuj.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608954975bf9a---fokafolenimedej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=hs+code+for+electrical+itemsPDF 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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