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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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 https://fecuq.co.za/YmrXLWy8?keyword=is%20it%20suitable%20for%2012%20year%20olds PDF link annotation

  • http://familiegravesen.dk/userfiles/file/52288185800.pdfIn PDF document text
  • http://arhive.np-sp.ru/img/file/82703804171.pdfIn PDF document text
  • https://xugoxokolo.weebly.com/uploads/1/3/5/3/135392162/nuxelob-kukezotixuziwo-zixit.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1620b4bd24934e---jifuzotubupogi.pdfIn PDF document text
  • https://fevorixuf.weebly.com/uploads/1/3/4/6/134667435/29fa5.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/0b13c7.pdfIn PDF document text
  • https://musekakilex.weebly.com/uploads/1/3/1/4/131406804/88b97c4.pdfIn PDF document text
  • https://gapuropiti.weebly.com/uploads/1/3/2/7/132740804/3ce085.pdfIn PDF document text
  • https://zokokemakate.weebly.com/uploads/1/3/1/4/131454090/4338808.pdfIn PDF document text
  • https://kofenidez.weebly.com/uploads/1/3/4/8/134890612/145012.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/82002619089.pdfIn PDF document text
  • http://abdobson-new.simplywebeditor.com/site-uploads/61944374974.pdfIn PDF document text
  • https://felunazajejo.weebly.com/uploads/1/3/5/9/135959991/vibaku.pdfIn PDF document text
  • https://shirbandifelt.com/userfiles/file/42749788362.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/59287331708.pdfPDF link annotation
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1621c3996345c0---jibuxorizerup.pdfIn PDF document text
  • https://lp-tracking.com/userfiles/file/muraniperali.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/n7rc9nduic68vdf0sip4j75k83/bixagokisumidesabituke.pdfIn PDF document text
  • https://nesajejegumexe.weebly.com/uploads/1/3/0/7/130776687/4265182.pdfIn PDF document text
  • https://sorefumegevori.weebly.com/uploads/1/3/1/8/131871670/007bef8.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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