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://cctraff.ru/aws?keyword=alvaro+tirado+mejia+pdf In PDF document text

  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/15e006e8c48f.pdfIn PDF document text
  • https://janokapaw.weebly.com/uploads/1/3/4/3/134329878/f05bc45.pdfIn PDF document text
  • https://vozutadisifik.weebly.com/uploads/1/3/1/4/131483249/3639882.pdfIn PDF document text
  • https://fadusoga.weebly.com/uploads/1/3/0/7/130739873/14cb6f7a867a.pdfIn PDF document text
  • https://kiseridebajesa.weebly.com/uploads/1/3/1/4/131408791/ff507a8dd04f0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000625b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000625b.bin)
  • https://s3.amazonaws.com/jumedemimo/16750004990.pdfIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/62609754114.pdfIn PDF document text
  • https://s3.amazonaws.com/tetofamuxulil/fudagukedurugaxijuritu.pdfIn PDF document text
  • https://s3.amazonaws.com/zafaronivaj/systematic_theology_free_download_grudem.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/97241006244.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/cfm56-_7b_sb_72-_1033.pdfIn PDF document text
  • https://s3.amazonaws.com/xebuvuwov/ftii_question_papers_acting.pdfIn PDF document text
  • https://s3.amazonaws.com/kakef/71273038069.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/tennessee_williams_books.pdfIn PDF document text
  • https://s3.amazonaws.com/moduxanakuri/jibizumakiziwurenosazip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/388478d6-766f-47ea-a174-3ff92c4d444e/xatotosasazolilimiguke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a77ed48-eb54-477a-b93a-9729f73ea5ed/davomew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90738b93-b370-46c3-80d7-18cce5c41007/pilozorozulam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64340b58-d1b1-478a-b300-a30b86d50072/xutokupudowofopix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cf2007b-318d-4473-b872-d8d6c29b3e45/81833054018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4957dd91-12fd-49ca-9ac4-a5d2ddaf5c5c/votijutomumiwogox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6403144a-11dd-498c-989c-4b90ad44b54a/33355333736.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d359f524-013a-42bb-a9fd-a24e3e35e5bc/78845212312.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40765edf-c1e3-4f3e-aaff-902813befdd5/ejercicios_espaC3B1ol_primer_grado.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_off0000625b.bin)

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