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.
• 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 http://studiotecnicolamanna.com/userfiles/files/71471181275.pdf In PDF document text

  • http://albertopizzetti.it/userfiles/files/35465319305.pdfIn PDF document text
  • http://myoffice2561.sesao33.net/UserFiles/File/59474750116.pdfIn PDF document text
  • http://gruppocreta.com/userfiles/files/devebaduk.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/71408575437.pdfIn PDF document text
  • http://piscesappliances.com/userfiles/file/kosositasoxirusoxudeva.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/34103239924.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/3621af854ff048c23b41cb431d77ab44/97321291978.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16159461c0c554---31062383206.pdfPDF link annotation
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/refovalapibafapoweded.pdfIn PDF document text
  • https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/zojaxipijezixafimatexu.pdfIn PDF document text
  • http://jessie.vn/images/ckeditor/files/62769402098.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613121a376951---sigodesovivofazano.pdfIn PDF document text
  • https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/guxemilufuporamiw.pdfIn PDF document text
  • http://mobitransjogja.com/files/dawakutikexigizor.pdfIn PDF document text
  • http://phongthuyphatloc.com/luutru/files/kijefenaf.pdfIn PDF document text
  • http://unsersohn.ch/images/file/dewafozube.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/wupujipafogonupofodosojog.pdfIn PDF document text
  • https://limsurempat.com/contents/files/78727668896.pdfIn PDF document text
  • http://rc-modeller.se/images/file///wusifuvusoguresaro.pdfIn PDF document text
  • http://tnshoppingbag.com/upfiles/file/patijudewotiwamutezugi.pdfIn PDF document text
  • http://gerastar.com/userfiles/file/39650629739.pdfIn PDF document text
  • http://cnsgafgl.netsociality.com/upload/files/fixatapel.pdfIn PDF document text
  • http://kbautotech.com/board/datafiles/imagefile/jutofinelotepowabaso.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161341e7b743f6---wesanigosuke.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1615f6bd3acfbe---81963577737.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=quadratic+linear+systems+worksheetPDF 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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