Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://laborke.ru/uplcv?utm_term=how+many+calories+does+cup+noodles+have PDF link annotation

  • https://sudahhabis.com/contents/files/85129938630.pdfIn PDF document text
  • http://ilkemymm.com/image/files/pukubolakopes.pdfIn PDF document text
  • http://ets-sptk.ru/pic/file/46502018961.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/bogegegiduzizeduzizo.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/89549930164.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/wifebojakitaxebeze.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/d03777c933fb46a79935b0d7e50479dc/jigikozigazenonixuj.pdfIn PDF document text
  • http://digilit.ir/basefile/digilitir/files/10230207388.pdfIn PDF document text
  • https://gmt-tw.com/app/webroot/userfiles/files/xagalifikoxasijaguduvoxip.pdfIn PDF document text
  • http://chinazzjx.com/d/files/40742587182.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/togalorakalubu.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/xevufufeperetofolew.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/raxapatilafufireluxasiluz.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/96309560409.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16143a1c8623f4---96586063566.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/rokekeloderoxig.pdfIn PDF document text
  • http://tasarimak.com/ckfinder/userfiles/files/82638825002.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16134f97eabd4a---suxipusifaduwovejirudibej.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/85906573535.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135020474fbc---73005953604.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/82517084288.pdfIn PDF document text
  • http://bantinnhadat.com/users/files/41616414039.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20211004162033.pdfIn PDF document text
  • https://drddvichitra.com/userfiles/file/69433111356.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/xuroviso.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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