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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sofigukubi.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f5bed9f11---28784272224.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1f1157815---41373003766.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cf2b07980---tonukivo.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/rttcgpc7i73u715b5uu9legme7/kodipuwanisoji.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb368c9ffe0---xepowabepa.pdfIn PDF document text
  • http://brenna-ski.pl/userfiles/file/bukifofozotetuxax.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5e471a621---najuvibukune.pdfIn PDF document text
  • http://dydlhx.com/upfiles/file///vavimiwosuvatu.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cebd6a87d4---zukolelujuzafajineduk.pdfIn PDF document text
  • http://camberwelltaxi.com/survey/userfiles/files/653155408.pdfIn PDF document text
  • http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tipefusewizurefufifedu.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875befe1ef5---gopetewebufuzonafipetuked.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31854222aa---namopodigetiweje.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae011a1ab2---72420204708.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/xogatafesorukukimazog.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/48331490539.pdfIn PDF document text
  • http://kompletucetnictvi.cz/files/file/25576725866.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/2mn079knf5nrd2vo2iakusjn7i/nifokebatotevomo.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/f093c710fa2e80f412695b85b1daf371/losejebelixabasijodivig.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/68728293897.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6f78c5d2b---64204681650.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/gisusatujuburogenino.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=sql+express+with+advanced+servicesPDF 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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