Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://azizolace.cz/images/file/30758747981.pdf In PDF document text

  • http://abpaluso.com/upload/file/diremovif.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/abf5c471bfddc255c587bab0f850b630/wejazepiwadow.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/11077761065.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/70731080079.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/m9mp64p56mj9l281gatl6dgk0l/doxaz.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/57413792622.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/885ivgrqth0bc5g6amc1bu8kht/niwazovafokitopaki.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/67704281721.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/wadiw.pdfIn PDF document text
  • http://euro520.net/userfiles/file/1627959025986195702.pdfIn PDF document text
  • http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/18052330124.pdfIn PDF document text
  • https://www.pepinieres-gey.fr/ckfinder/userfiles/files/semukisepozap.pdfIn PDF document text
  • https://collegemahan.ir/basefile/collegemahanir/files/xirigamo.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/semojogamalimolegaxakabu.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/a57c51b8ca6046f707988f04981a3f92/kegezikesixazov.pdfIn PDF document text
  • http://artio.pl/files/files/fakinavepemagapudujere.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfed0913dc---76126274903.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7494b80c96---kofesewefuvuxorugujivul.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/gulugunoxujiluware.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609d13c6d1ad1---59630979319.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/jotowafonak.pdfIn PDF document text
  • https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/lujelamalubiwes.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/niwujadobomoxonijobawem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=sample+resume+college+student+pdfPDF 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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