MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content is designed to trick users into installing software or extensions. The presence of numerous external links, including a link farm, suggests an attempt to drive traffic to potentially malicious sites or to manipulate search engine results. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.cc/pify?keyword=cds+syllabus+pdf+free In PDF document text
- http://files.flooringnetwork.com/uploads/1/3/2/6/132695586/rezakofove_nujikanu_dimekitujovo_lukinogef.pdfIn PDF document text
- http://files.trailer-trash.com/uploads/1/3/2/6/132681545/nowawagegido.pdfIn PDF document text
- http://files.foxxfitnessprogram.com/uploads/1/3/1/4/131452741/zesexuj.pdfIn PDF document text
- http://files.rushizle.com/uploads/1/3/1/3/131384663/1747408.pdfIn PDF document text
- http://files.vcaec.org/uploads/1/3/1/8/131858287/141951.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/1/0433/1608/4891/files/61857708139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/rakokitif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/pavat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/rexekivukunemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78539107281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0792/5654/files/62079825973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/sabiwupupiriwudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3638/5181/files/74182408495.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/jarusukefarodulip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9516/2022/files/13834199233.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/dovuligiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/botif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6497/4742/files/kobisoxaruxijebanikimofi.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000898b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x898B | 4840 bytes |
SHA-256: cb4068d86efa1a85eed0a6c4d85bd216877601e1caf6a1caab05efbb40f866dc |
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font_01_sfnt_off00009a13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A13 | 14864 bytes |
SHA-256: fa5bb35cd187c2c0e600d2320050f57b35fb840d3c9aed0bd66cecc2f75c2579 |
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