Malicious PDF — malware analysis report

Heuristics 5

• 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://ttraff.com/pify?keyword=counting+stars+karaoke+mp3+free+download In PDF document text

  • https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/vurozit.pdfIn PDF document text
  • https://lidenezat.weebly.com/uploads/1/3/4/3/134382714/2902215.pdfIn PDF document text
  • https://bolififona.weebly.com/uploads/1/3/4/3/134316640/tuxawijapo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f8954236e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368950/normal_5f8fa196ed282.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8ad34f07115.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381347/normal_5f92aebd172f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382192/normal_5f964b0cc2df3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369797/normal_5f97c1d279592.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371543/normal_5f94498de1a29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369160/normal_5f8a268d240e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f8725a393ade.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387577/normal_5f902cf7dff18.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000575d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000575d.bin)
  • https://uploads.strikinglycdn.com/files/77f40a6f-4533-46c5-8236-55562ca40ad7/devils_punchbowl_colorado_directions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a887de8-31cb-447b-bee8-c0309be79cd2/logistica_y_servicios_de_transporte.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/209b3eec-5004-4552-8d8a-6ae826efdd81/90426888546.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/586cbdbb-24f9-4f87-b595-fa6901cdda91/zolivelotenawi.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/kusufig.pdfIn PDF document text
  • https://s3.amazonaws.com/toguvaju/gewuzuvepenemut.pdfIn PDF document text
  • https://s3.amazonaws.com/paxivogedewilu/rumadizuzizuzofi.pdfIn PDF document text
  • https://s3.amazonaws.com/jadudusujuje/16923068651.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/maziroxoj.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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000575d.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00008cf6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00008cf6.bin)

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