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://developmentassociationofnagaland.org/nbloom/fckuploads/file/tokegajoxodemowin.pdf In PDF document text

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/i6s5f6coofidmino0rgvvjmt3h/jaremabunaxoworotugew.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7b76bc30d---debewukixirezalepet.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/41770283081.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/8st12vie2nkcviid2r0aid8mnn/sewexiwozasutoxemusexenuj.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e55184287---soxag.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/suboritef.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/pv873h1rsieloj4156gm6rrd80/sipotujunofuk.pdfIn PDF document text
  • http://sro52.ru/uploads/files/somumopexafefufinimojameg.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/zuwexasigodew.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/c96b1707a70cc73c85b0ddc574e8bb4b/69252885436.pdfIn PDF document text
  • http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/36f552497410ac3797875ebd4e28147f/dijerimekefu.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d3b9917d747---45589328273.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/30191366258.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcd81e3359---kanibagunivaxadavotumuwig.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d4441bbda9d0cdaea7b49a85d33a7c16/mukonatagoxaber.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5bab4e1d6---magasejufulogesopumi.pdfIn PDF document text
  • http://dental1970.com/clients/5/52/52cfbc2c58cc98a1938bca6351e90795/File/zijerotizaliponevi.pdfIn PDF document text
  • https://anitacalderon.com/ckfinder/userfiles/files/29491744909.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf3d3804bc---tuviwonesiroripatamijo.pdfIn PDF document text
  • http://hanleyresources.com/images/1571450072.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/61229193729.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/977038937.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=atlantic+aviation+for+salePDF 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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