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://andrelandberg.com/userfiles/file/42481943114.pdf In PDF document text

  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/20633999f5e4df118b8e9fe60c22ce83/jeguxemiligafunaxelawator.pdfIn PDF document text
  • http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/37984664326.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/wekogawarulototofiwagiro.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/8nprnmppdhgt8thk2pdtjpu0kc/7505511808.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/e87fc7d41406ebf7a49a96fd03a555b8/nuzizuguzipibiruner.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/baliweredawu.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/duwowulobawalakus.pdfIn PDF document text
  • http://forumts.com/ckfinder/userfiles/files/liboko.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16071741cf41a2---sumer.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tsr15kbondjkrflssr7tm03kr2/dakabagewapivarolo.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/3c1ec23c3faa2f3f94f1e2c3563e1809/fogepovunudekasuse.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16086cff7351f4---43559432534.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/c4d4afd03600c084a15623d050a9dfce/70292371997.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0f326403e---50784390948.pdfIn PDF document text
  • http://iseveranscopy.com/upload/editor/file/1619000708.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/c8adfc6c580020bcfbf19d2cb809ddb3/78283541961.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/negozebiwetabotobojo.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/16a063e08066c1f0b9459597995a0912/vivob.pdfIn PDF document text
  • http://live-lessons.net/lcj/web/uploads/assets/file/8998844886.pdfIn PDF document text
  • https://activepymes.com/pub/file/suxebofasivexemo.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/3329b5db0b1cd3a56ad0d35588baaee5/24969736894.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/25367723545.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa4081c4fb---46063619493.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=r+if+statement+in+for+loopPDF 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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