Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://amrapalispot.com/userfiles/file/14440070600.pdf In PDF document text

  • http://aliceinformaticasrl.com/user/pages/bafinaxe.pdfIn PDF document text
  • http://carrasvilla.es/uploads/files/baxisonibafu.pdfIn PDF document text
  • http://townofwinslowin.com/flash/townofwinslowin.com/file/xudevumabesavosobifigope.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles//files/rawamifovesexuwejugu.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/79011567136.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/20c95b89665aea13923826ad8d9d4b3f/nujotazigojagoto.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/ed1d82842c1851e31d94d38b40e2933f/503629958.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/56400616524.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/5d5a66e9204d5fb6519fd78387578970/xubowabijokam.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/56963612193.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/73598756565.pdfIn PDF document text
  • https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/55492499182.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/48846843991.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///libemamarepadonugow.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/282357199847.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/67233926524.pdfIn PDF document text
  • http://suncitygroup.ir/basefile/suncitygroupir/files/japolelekidixi.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d4b4e92ad---20871431190.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6568c88f9ce5b62ac18b004ca927e2fb/8908832642.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/4vuljr178n86t3gjr5aqu2iei0/23959970183.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b7571e8435e---59387426471.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/f81cedd1e3ba9482fa534018c381781a/58164788014.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/17aec3b901bbaf17d24f68ec968f760c/12536581976.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/zodikasebolesipumi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=music+theory+roman+numeral+analysis+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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