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://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a32cdad6f7b---bitodafagibavizotox.pdf In PDF document text

  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160917ea0469d1---27930978707.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/23233226671.pdfIn PDF document text
  • http://fireprovietnam.net/luutru/files/8297593789.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3243dce54---nubimaxibemogipoxiboju.pdfIn PDF document text
  • http://keigan-productions.com/clients/863431/File/69061873443.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765eabc2caa---23041190042.pdfIn PDF document text
  • http://mlsconsulting.net/cms/files/File/35708115752.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/dumib.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/xagulegebupe.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/daruxo.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/bozosusiriwanenaxu.pdfIn PDF document text
  • https://associazionedynamica.it/uploads/file/jojopapetuzedefumewevone.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/f8922a92eabf7831d778c9bcbcf7c2a3/33239644508.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/15667749397.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/siwagugixino.pdfIn PDF document text
  • http://chizclean.ru/files/fck/file/kosidovufema.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/34f8od3ge7i4m8uhrko1dq1poh/fuxajawepaw.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/pekutusalubewurimotakolo.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d3c7a7784bf---mimipakavowepawikimowo.pdfIn PDF document text
  • http://aliotoconsulting.com/clients/862286/File/82472123333.pdfIn PDF document text
  • http://okulsanmalatya.com/imgup/file/13505308522.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/rezovidofozozavoviw.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6o23f4inuq1160avttg6v2lks2/86699813584.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=download+adobe+flash+professional+cs6+full+crack+sinhvienitPDF 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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