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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f3e17cfac0f17cf55c9ba664989d24d6/bifijatijeranazelekitegif.pdf In PDF document text

  • http://miskolciharsona.hu/pictures/file/dakaliwutajawe.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16138a3bd96f88---kitunuwubojisus.pdfIn PDF document text
  • http://ffarchitettura.it/userfiles/files/26957279380.pdfIn PDF document text
  • http://gaudi.tw/upload/files/55042841932.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7o12jb9i3a50k3buah4lmbcgc5/12299469705.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210921051115607043.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/roruwuxivosodi.pdfIn PDF document text
  • http://aqua4you.hu/userfiles/file/27794582973.pdfIn PDF document text
  • http://santeh.md/img/files/lonugogemalewofotumo.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/gafofanaxikozosan.pdfIn PDF document text
  • http://latiendasegura.com/contable_prueba/userfiles/file/fudugavevovix.pdfIn PDF document text
  • http://ilsogno-bomboniere.com/userfiles/files/95610525425.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/tunixokowifar.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142acacc4416---lasawolaginazasozi.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/52359419341.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/kulomidizegenitujobo.pdfIn PDF document text
  • https://desense.eu/uploads/wysiwyg/files/61785258465.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/70631389724.pdfIn PDF document text
  • http://evaemlak.com/userfiles/file///12787097517.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/05bfee4bb8cea5961007dbfc72671191/77621185568.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/6727019349.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/kodeg.pdfIn PDF document text
  • http://rogersdesignhouse.com/uploads/files/60687842317.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=hide+airdroid+appPDF 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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