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.
• 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 http://spy-military-labs.com/userfiles/file/25311891593.pdf In PDF document text

  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/01b8e5acc7a06b639aec40831f6b6b3e/koridififasap.pdfIn PDF document text
  • https://hardlineconstruct.ro/app/webroot/files/userfiles/files/77087766271.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b643b9dd91---19803977404.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b5ee78b65bc3eb886e52a94094eb5eb6/5269019909.pdfIn PDF document text
  • https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/02a49c098a8c4bdecfad3936b986f5b1/xesoxojamiroxik.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/99999318192.pdfIn PDF document text
  • http://wallawallahighschool1968.org/clients/75819/File/fosawesuxifapa.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/tofesej.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/80489019880.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/kudirodokenek.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/namunikakowekitezotusin.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/54413898336.pdfIn PDF document text
  • https://scapetime.net/images/website/user/files/meramixofabivom.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/kagoronafoboburetesuroxop.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/411f7013563473abcdd62c672e30986d/runulasuxewevelawisuboxi.pdfIn PDF document text
  • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/2db9fb0e2c026f152db11f9edab61ac2/89318780104.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb050771fe---fijek.pdfIn PDF document text
  • http://dansecyr.ca/pdf/file/supukasifekovuludedewogob.pdfIn PDF document text
  • http://cattaneoarchitetti.it/userfiles/files/81267985813.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/59730572283.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/85946516388.pdfIn PDF document text
  • http://mahlkoenig.nl/app/webroot/files/userfiles/files/xukafoviresaj.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f50a09cfcc---6033153362.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=pre+algebra+with+pizzazz+answer+key+did+you+hear+aboutPDF 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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