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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://chcial.ru/uplcv?utm_term=apple+music+player+f%C3%BCr+android PDF link annotation

  • http://01host.ru/userfiles/files/41846714717.pdfIn PDF document text
  • https://behbehaniprojects.com/uploads/files/voronuv.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/36801097497.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/jizuvadasuwejitufuzoxum.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/44229328695.pdfIn PDF document text
  • https://calprin.com/ckfinder/userfiles/files/legelotadupijizovamopo.pdfIn PDF document text
  • http://140.121.161.111/ckfinder/userfiles/files/dumibavigunadivuzewotob.pdfPDF link annotation
  • http://hanaelectric.com/userData/board/file/62554522559.pdfIn PDF document text
  • http://buyyoutubesubscribers.com/ci/userfiles/files/veruwawesevezebu.pdfIn PDF document text
  • https://havadisname.com/upload/ckfinder/files/biwebexonix.pdfIn PDF document text
  • http://carrasvilla.es/uploads/files/89224271683.pdfIn PDF document text
  • http://kencert.vn/uploads/image/files/56677568236.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/37194590846.pdfIn PDF document text
  • http://fruitsad.pl/images/file/vajip.pdfIn PDF document text
  • http://vce34.ru/attachments/file/najogapoxujaneki.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/94969884965.pdfIn PDF document text
  • https://etravelbox.com/scgtest/team-explore/uploads/files/masuwub.pdfIn PDF document text
  • http://ersenergy.com/UserFiles/file/79024998207.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/32937112772.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/27290983252.pdfIn PDF document text
  • https://media-get.com/userfiles/files/11075841736.pdfIn PDF document text
  • https://coherence.cz/userfiles/file/32065422806.pdfIn PDF document text
  • http://peoplefineart.com/assets/202109/files/20210909093453711298.pdfIn PDF document text
  • http://aesg2edcv.handylover.com/upload/files/kivuj.pdfIn PDF document text
  • http://pactolous.hu/upload/file/64129736204.pdfIn PDF document text
  • http://smartvoicecom.com/userfiles/wutuxogoxave.pdfIn PDF document text
  • 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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