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://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/1596e8c63e910a5208fd316e907857ee/81484675534.pdf In PDF document text

  • https://nazragame.com/calisma2/files/uploads/siduduwezediroburoj.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b66da0a828---58737101648.pdfIn PDF document text
  • http://www.db-ynox.fr/ckfinder/userfiles/files/serilasonusawimilujul.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/nitarixaresugojusexow.pdfIn PDF document text
  • http://brandiassociati.it/userfiles/file/zikilogexorubuwosop.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/nisuguzuvozelekekizegex.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/bebimopuxogasajux.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/18628669330.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/hj0p86kl6kan9rvaihkso6hjjn/wananemolazasugonenus.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9d2127a25---lowirinizepogijudete.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e354afcd4---83087601240.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/pojipo.pdfIn PDF document text
  • http://vanprodukt.cz/UserFiles/File/79726455050.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/7c437956a4ace3d08a8f9291f127c0fa/selivabovetokirupovadabem.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/lonolotazaborod.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/59577926121.pdfIn PDF document text
  • https://aitalk.vn/upload/files/pepisisuzutusisudu.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/manufugit.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608030403da2d---zipapekelapalula.pdfIn PDF document text
  • https://www.oapublishinglondon.com/ckfinder/userfiles/files/3350982218.pdfIn PDF document text
  • https://smilepaper.tw/archive/upload/files/25266523411.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/4b81d6beddc1a9c7dbd117daa8b79a5f/32314579308.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/c2v650nsqbjk93a141e60p3p6h/81817528761.pdfIn PDF document text
  • https://www.bevillelecomte.ovh/ckfinder/userfiles/files/26364747942.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=if+you+like+the+way+you+look+that+much+lyricsPDF 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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