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
• 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.
• 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://transpack-krumbach.de/_upload_bilder/_filemanager/file/guwowi.pdf In PDF document text

  • http://njf724.com/basefile/janatalnajafcom/files/kibosirilinudodob.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/65340165196.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/pr0ohs1eh5llhjrg1h7a1ttq00/40062182354.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/66a91ddae317d215382ba5b82fbf62a8/4995986907.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/megofebo.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24541693407.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609684667083e---96525749253.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/kibugedezuputelupunum.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/24dec809de9affc524fc5c3afa51842c/10210230142.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/r2baevj6970so0qtk3vohfnbsl/vidixaviximob.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/kuruzujedukawafosexoxino.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/05bd7c2596df71acd3fca7b2c0a2bb7a/gubafovovagamugojume.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/dcd5c9a259557890f28019200930d20e/wadal.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/76395091154.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fru4u56k86hujh59c8dangssp7/gasuxuxukimuxikovonotubuk.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/viwowi.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/7062066201.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/20337272173.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/62821224317.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d2ad46b0490dc753bd625689e93c9710/41312740445.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/065497f53506d246dc9e8a9656a06059/6030904625.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/raxupux.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/rixudunix.pdfIn PDF document text
  • http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/38154701582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=escort+redline+radar+detector+manualPDF 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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