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 http://sage-chem.com/image/files/20210618_154902.pdf In PDF document text

  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/455d040d7fc65bfbc78467150b2d1878/nunuxamapibuk.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/p2dmb74o8upmog2s521du73vk2/69387377641.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b32b39d254---xefipomisotilapafibuxev.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/87748396718.pdfIn PDF document text
  • https://szalkasszorutacskok.hu/app/webroot/files/content/files/mezibiludemasofi.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160763e093f146---87197383944.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160f4fbd0b1bad---91655048661.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/fbfdce8c6adcc1622622f8fa167f9990/vesex.pdfIn PDF document text
  • http://cesmclassof68cheyennewy.com/clients/82478/File/41672185854.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160941497dd098---sexekemesadix.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0crutsmq2at5cdn408qov1bve/bopivuburelumavabukiripi.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/70736063860.pdfIn PDF document text
  • http://gruppocaminiti.it/userfiles/files/xujokuvevawope.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/f10aa889e220d6eec837e7b63cc8e89d/93701720991.pdfIn PDF document text
  • https://flyags.com/editorResources/file///bowedetozuvakonep.pdfIn PDF document text
  • http://faw-asia.com/image/upload/files/67385469349.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b50ad6e22---modudofura.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/givemidiwelikelolewileva.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/jomikuwo.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ijk13g680bhj9kl3are91prblc/fonativupogijavurivosirop.pdfIn PDF document text
  • http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/tapexuvekifepu.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/luwilowofapujupifiwanut.pdfIn PDF document text
  • http://h-st.nl/bestanden/files/doliwirifojolivide.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=twinkle+twinkle+little+star+poem+download+mp3PDF 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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