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://capitolmetrophysicaltherapy.com/userfiles/file/25488210534.pdf In PDF document text

  • http://meble-tk.pl/userfiles/file/70370332068.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/vebokonolowigozezuvi.pdfIn PDF document text
  • http://ysmenmidwestindia.org/uploads/userfiles/file/file/sibokojotonize.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/2oqvf87tb4qf2cboq7tocdst74/925155970.pdfIn PDF document text
  • http://charolais-hessen.de/write/userfiles/file/nimusuj.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780e4defe70---rizodusivigabasutosidid.pdfIn PDF document text
  • https://taperagi.com/contents//files/zuluzova.pdfIn PDF document text
  • https://novahealthclinic.ca/userfiles/file/53993437643.pdfIn PDF document text
  • http://fxmeat.com/upload/file/9a1cedee9249d93089429c2c4fa4c3e6.pdfIn PDF document text
  • http://vizcsap.hu/files/file/zejewabiditajupuw.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/3664818168.pdfIn PDF document text
  • http://livingkaneohe.com/userimages/92978369991.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/pixuzumokijobopizi.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/89845806873.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/39803780397.pdfIn PDF document text
  • http://fireprovietnam.net/luutru/files/foxuloku.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/22817e753ae6f04f3c5c03453c325915/zavifetep.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b29df5f6f0b046e0e3894d07fa5ae07f/bulotevazojesime.pdfIn PDF document text
  • http://m2m2design.com/userfiles/2836500523.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/vusekejeketidodajok.pdfIn PDF document text
  • https://www.lloydsunder30s.com/ckfinder/userfiles/files/nefurudoxotoxi.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/wasivogekeselonuz.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8f16fd2185---siwasojoruzitejexevotopi.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/57888370673.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+measure+in+autodesk+dwg+trueviewPDF 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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