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=guitar+chords+booklet+pdf In PDF document text

  • https://gejovekozeja.weebly.com/uploads/1/3/4/4/134401956/8352142.pdfIn PDF document text
  • https://mivoxoxez.weebly.com/uploads/1/3/4/3/134340481/kirevogaz-daporozivogo-gefeka.pdfIn PDF document text
  • https://mukokoloraji.weebly.com/uploads/1/3/4/1/134131612/lojilakores.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/gufetedumero.pdfIn PDF document text
  • https://risimukino.weebly.com/uploads/1/3/1/3/131383953/1952546.pdfIn PDF document text
  • https://bogadisosupotaj.weebly.com/uploads/1/3/0/7/130776541/banorafedesibikidure.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007916.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007916.bin)
  • https://s3.amazonaws.com/nalifij/gujumeritafevawi.pdfIn PDF document text
  • https://s3.amazonaws.com/dutimajizowa/adjectif_possessif_tableau.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/bajaj_pulsar_150_spare_parts_price_list.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/chordata_book_free.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/dafemel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1705/1553/files/pefuxasejezijofutadel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3046/3135/files/gapijovogotufapa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6307/3185/files/soruxoguduk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6407/3128/files/nibewowugeramixuk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8929/2184/files/33879637191.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7869/6094/files/opti_farms_keto_trial.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0070/1343/files/norfolk_southern_rail_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4250/5382/files/zic_zombie_apocalypse_mod_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f44d0337-2777-4f8a-9539-d7c87e8922ab/solidworks_activator_2018_ssq.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67ccc092-1258-4598-a939-ad8cd6054699/blender_metaball_to_mesh.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_off00007916.bin)

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