Malicious PDF — malware analysis report

Heuristics 6

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://crophysi.ru/123?utm_term=bootstrap+form+input+datepicker In PDF document text

  • http://tesilav.sportsontheweb.net/50026268812.pdfIn PDF document text
  • http://manovina.mypressonline.com/boy_names_meaning_son_of_god.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417305/normal_601445259033e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394068/normal_602b89134d9df.pdfIn PDF document text
  • http://bowuvudofi.scienceontheweb.net/vaxajilipogakefejejulivuf.pdfIn PDF document text
  • http://baderezu.scienceontheweb.net/80334683196.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412763/normal_5feccdf216957.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/litunux/adobe_illustrator_templates_free_s.pdfIn PDF document text
  • https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_00dcd64de6474b49b16343d847745a25.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/belopudevuzuza/fha_underwriting_guidelines_student_loans.pdfIn PDF document text
  • https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_572a74d2e26d4b91ab29b137140c31c5.pdf?index=trueIn PDF document text
  • https://a9864912-ad24-422b-99f3-2d90f7703507.filesusr.com/ugd/d6af85_31984b9cc70b438bb64164587511099c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sabobenuwe/cdc_3600_full_form_in_computer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/038badcd-9c86-494d-bff4-21b96dbee51b/xirumavokafariwelelib.pdfIn PDF document text
  • https://f1e11ea9-a931-46ad-af30-391325c877dd.filesusr.com/ugd/423518_d26a2984bde646ccbca7378ea8c8fdf4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2568b4f-018a-483b-b273-179c8ad7e430/dt466e_engine_for_sale.pdfIn PDF document text
  • https://8ed62699-7d02-4439-b935-4286882ef7d4.filesusr.com/ugd/229b11_1b4ca225ac924e51bdc1a5ec41f01254.pdf?index=trueIn PDF document text
  • https://67d298e0-85f4-4ad4-bf36-e1ac857e42fc.filesusr.com/ugd/b6bf5b_1eeddd33c8ce485c92376f08a5260c48.pdf?index=trueIn PDF document text
  • https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_a98e226ec38f4877a4dc46a5d3cf9a87.pdf?index=trueIn PDF document text
  • https://0c2a7d7b-be9d-4ef2-a94c-09ca905cc17d.filesusr.com/ugd/7d21c0_57a19354d81241da8dcf688d591cc749.pdf?index=trueIn PDF document text
  • https://156bb51f-0b62-477f-88ca-8620af00812b.filesusr.com/ugd/e3ff21_fcb6c65c5531407f95f2fe04d8a7f943.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/jodabiladezot/authorization_letter_format_post_office.pdfIn PDF document text
  • https://s3.amazonaws.com/nefunupu/vojodewemuzoboxoku.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
  • http://scripts.sil.org/OFLIn PDF document text

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