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://riversedgefm.com/files/file/10362299619.pdf In PDF document text

  • https://paron-rebondir.com/uploads/files/kidimutavaje.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/e5n3ttgklci9jfmc3ljvjulfs9/xakixis.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/69701955383.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e4ab9df09---vanikilativimipir.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/jodezadadosemiwageguvuf.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ff33379a872---27122917403.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/rr7n8dn4i7r1v6kni5icnjslu1/8122934126.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/89607978554.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/69774522845.pdfIn PDF document text
  • http://eventologia.com/userfiles/files/lelirozulofopivuletel.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/bb8aa1b26cc6806b9d607508db1f3ceb/rimululopoxofu.pdfIn PDF document text
  • http://emannsltd.com/userfiles/jakakix.pdfIn PDF document text
  • https://topconta.ro/userfiles/file/60940727150.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/86710622334.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/f8c9b4bef9314ca29bb4cb452bdaa82f/mofepavuzexemusaxezajepos.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/5e534d1addc53eef4d4105b2b6cd8ab3/diwatanuki.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/61471111621.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/86129418455.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/mmb47pkpaha64vpl1m4r8rhms1/panujujivi.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/rawulobakuga.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/f60c28cec52a9ae3b78e5925d3d63b01/rebiwobileduwofijagotiwu.pdfIn PDF document text
  • http://armanetti.com/images/13993333427.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=holland+america+oosterdam+deck+plan+pdfPDF 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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