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
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1620ba948b65dc---fupibujinijire.pdf In PDF document text

  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/68b7ccacf06a2cc4f2bd9c80cde0246a/1091191627.pdfIn PDF document text
  • https://xaroduzorosu.weebly.com/uploads/1/3/1/3/131398324/xiluxupijebub.pdfIn PDF document text
  • https://viwawisigox.weebly.com/uploads/1/3/4/3/134342504/6571361.pdfIn PDF document text
  • https://vida.posilatko.cz/files/wswg/file/85621215417.pdfIn PDF document text
  • https://casartigianiudine.busletter.it/ckfinder/userfiles/files/jinatujojojusebonof.pdfIn PDF document text
  • https://junimadegerozo.weebly.com/uploads/1/3/4/0/134096607/7787345.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20220321/file/16478641347091.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20220227_65C514A373515FC7.pdfIn PDF document text
  • https://vimutegisadutu.weebly.com/uploads/1/4/1/2/141259516/9136704.pdfIn PDF document text
  • https://equantumconsulting.com/files/files/56851249784.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16205ddc2261b6---51085132649.pdfIn PDF document text
  • http://techbico.vn/uploads/image/files/vukelobulitazilosalave.pdfIn PDF document text
  • https://vosutiwurog.weebly.com/uploads/1/3/5/4/135400890/pufez.pdfIn PDF document text
  • https://nobezenarevux.weebly.com/uploads/1/3/4/6/134628045/6303406.pdfIn PDF document text
  • https://fikovananifaf.weebly.com/uploads/1/3/7/5/137505991/85870399546d9d8.pdfIn PDF document text
  • https://gizuxafonot.weebly.com/uploads/1/3/4/6/134619773/3879197.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16244d1d2103eb---genenorovebugofusaxepike.pdfIn PDF document text
  • https://mafewesoxadix.weebly.com/uploads/1/3/4/6/134697647/daluwajonewizi.pdfIn PDF document text
  • https://pudakelujoroju.weebly.com/uploads/1/3/0/7/130739680/fetibidejonamo-luliwafuv.pdfIn PDF document text
  • http://bisenzia.it/userfiles/files/66925233258.pdfIn PDF document text
  • https://mifuj.co.za/YmrXLWy8?keyword=origami%20corner%20bookmark%20video%20tutorialPDF 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 extracted file (font_00_sfnt_off0000a701.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000a701.bin)

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