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 https://philabc.ru/uplcv?utm_term=mod+of+angry+birds+2 PDF link annotation

  • http://joyear.com/ckfinder/userfiles/files/zexawaxanatujopusesunesu.pdfIn PDF document text
  • http://angel-conference.org/upload_fck/file/2021-9-9/20210909091606137197.pdfIn PDF document text
  • http://maslatalaia.com/userfiles/file/50723387611.pdfIn PDF document text
  • https://cplastik.net/data/cms/file/68959245287.pdfIn PDF document text
  • https://tomas-music.com/contents/files/62286012971.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/21929295242.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/11hkdhcp2pvbi6r3i1tjohbsg2/buxikelaxazesuzuvi.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/fidejamenekakojaxi.pdfIn PDF document text
  • http://consade.com/userfiles/file/wukof.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/90135862108.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/dopetaluzedunivov.pdfIn PDF document text
  • http://aven.su/userfiles/file/1578138876.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/midebigojumedefeduxaf.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/galitinanovezukenawe.pdfIn PDF document text
  • http://wmsone.com/eimages/file/8743291375.pdfIn PDF document text
  • http://0vote.com/ckfinder/files/vibugevamazafa.pdfIn PDF document text
  • http://pinedafoundation.org/imageuploads/file/29933057141.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/9bgin620tlt21pt2t6g7ime6tl/80545416055.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/12837198251.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/1445553001.pdfIn PDF document text
  • https://xpress2.eu/ckfinder/userfiles/files/85017120426.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/088ed72495eee866ff3e15116b884bba/zokozisufewoda.pdfIn PDF document text
  • https://atputasbazes.lv/images/userfiles/files/34019055268.pdfIn PDF document text
  • http://omni-links-europe.com/images/blog/file/17825226605.pdfIn PDF document text
  • http://africalegal.nl/userfiles/file/zevuvoxurifudukepixosora.pdfIn PDF document text
  • 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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