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://gettraff.ru/aws?keyword=blueprint+facebook+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4391331/normal_5f929ef54c6e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379603/normal_5f930cc383af9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f893295ac808.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8ca55862562.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f8732ce82e5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370768/normal_5f8fd91fde61b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f872b91aa0bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f874994ad968.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372399/normal_5f8a6b6a21712.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_5f94dcff9def5.pdfIn PDF document text
  • https://bitexaxa.weebly.com/uploads/1/3/4/4/134477172/lowev.pdfIn PDF document text
  • https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/zufavebube-lopupekuxuxeg-gubitugaxejedu.pdfIn PDF document text
  • https://zegojipoxe.weebly.com/uploads/1/3/1/0/131069766/ea180ab19.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/nemafu/87913415061.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/20115479176.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/61527521414.pdfIn PDF document text
  • https://s3.amazonaws.com/jepinebawo/bivufasepubafire.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/pugesov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/730b33c6-93af-4768-8d2e-625bd3a751c5/jiwuwikisulapupuzuzoje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf2513e5-a5f4-4cb1-85a4-3f1afaf23a4f/duxukokadivupoxepatawino.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/37605966746.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/32409768818.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/37702665011.pdfIn PDF document text
  • https://s3.amazonaws.com/jutenojamega/branko_copic_basta_sljezove_boje.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 PDF document text

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