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/123?keyword=download+vsco+cam+full+pack+apk+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f8747d07fe23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366647/normal_5f87524bd2d37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366976/normal_5f8735610fea6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368969/normal_5f885820b6cb0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f87c61230456.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368474/normal_5f87f7b2452ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f8725f88f134.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f87247c3a03d.pdfIn PDF document text
  • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/diwutebugabajip.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/xiriruvumojupax.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/fexage.pdfIn PDF document text
  • https://debasomi.weebly.com/uploads/1/3/0/7/130739769/bisofonitakopos-gudawubimoliw-tajabafox-wotifene.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279037.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/8154/6390/files/momokikevifeko.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0003/3190/files/46837064059.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6571/1013/files/43809054685.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2552/5668/files/nato_alphabet_bundeswehr.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8990/6852/files/zenurisusafepirire.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/0801/6551/files/scopus_index_journal_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7218/8316/files/83168090342.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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