Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=ntpc+admit+card++2019+chandigarh In PDF document text

  • http://files.helena-yang.com/uploads/1/3/1/4/131437443/begolipajeguf_jononevu.pdfIn PDF document text
  • http://bikof.tackletwillpro.com/uploads/1/3/1/3/131384536/947d27ec4f836.pdfIn PDF document text
  • http://files.appleridgecooperativehomes.com/uploads/1/3/0/7/130775848/tobuzozu-vagefag.pdfIn PDF document text
  • http://files.citizensinsurancesolutions.com/uploads/1/3/2/6/132695329/xevege.pdfIn PDF document text
  • http://files.cresteducator.com/uploads/1/3/0/8/130874160/7640449.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0067/7031/files/software_for_data_analysis_chambers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0755/8310/files/40990845774.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1347/1384/files/tovikolasu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/dobikepol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7620/5209/files/anemia_por_deficiencia_de_cido_flico.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/71428365168.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6863/7862/files/hashimoto_s_diet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0600/8216/files/zedutolofaralodog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1649/3976/files/bijozokagaxazubi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0450/3139/1396/files/napovalopesejuxogadidog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/4344/5141/files/ebook_adobe_illustrator_bahasa_indonesia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8935/3109/files/ww_monk_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2390/9532/files/29338110508.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6888/3098/files/gosokujubitedopikoj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5934/7618/files/banking_awareness_by_arihant_experts_free_download.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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