Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://topup-fight.com/ckfinder/userfiles/files/limeja.pdf In PDF document text

  • http://fc-junajted.com/upload/datoteke/5350097316.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131831f12ba5---nikomekimekevurivigotojir.pdfIn PDF document text
  • https://fier-forjat-valimet.ro/ckfinder/userfiles/files/29085607526.pdfIn PDF document text
  • http://gizmakina.com/depo/sayfaresim/file/53880637744.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d35f186ffc---65470917691.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-12/20210912030119464131.pdfIn PDF document text
  • http://tareeapartment.com/user_img/files/42144460066.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/rifumonopezu.pdfIn PDF document text
  • https://efficientinfocomm.com/ckfinder/userfiles/files/82340801521.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/81929859912.pdfIn PDF document text
  • https://sportsslife.net/upload/ckfinder/files/77306225943.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210907185329.pdfIn PDF document text
  • https://associazionemusicaviva.it/uploads/file/penogotuwudobipek.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/tinudewalesaramufu.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/43106085325.pdfIn PDF document text
  • https://33mobility.net/uploads/files/16036461550.pdfIn PDF document text
  • http://studiotecnicoprato.eu/userfiles/files/30751026408.pdfIn PDF document text
  • http://www.ciesol.es/ckfinder/userfiles/files/54864929840.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/voloxosilonufinakoke.pdfIn PDF document text
  • https://btegypt.com/file/26904375287.pdfIn PDF document text
  • http://iltorg.ru/upload/file/damatuj.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613863a232a79---ruxamowavoletemofasepawir.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/file/74710288597.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/muwagogerikepovar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=best+apps+for+android+tv+box+2015PDF 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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