MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and text that mimic educational content to trick users into clicking on malicious URLs. The primary malicious URL, 'https://ttraff.cc/pify?keyword=marigold+english+book+class+2+answers', is identified as a malicious redirector. The ML classifier strongly indicates maliciousness, and the PDF structure suggests a link farm designed for SEO manipulation to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=marigold+english+book+class+2+answers In PDF document text
- http://mobaxupi.cadychiropractic.com/uploads/1/3/1/0/131070450/kexunajopeto.pdfIn PDF document text
- http://files.arkangelcreations.net/uploads/1/3/1/4/131452903/vezemavot.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1629/8393/files/cuet_admission_result_2020_19.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8658/3710/files/piridunififajulula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5058/2684/files/88604486887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/wepexitorosif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8667/4088/files/critical_theory_in_literature.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2421/1354/files/ninebunuxagavijoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/0512/5281/files/android_auto_application_mode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4529/8080/files/air_force_question_paper_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2160/6820/files/62256829157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6145/0654/files/29854333635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4798/5053/files/ayatul_kursi_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9582/5320/files/37940091712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/un_sustainable_development_goals_progress_report.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000629e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629E | 5636 bytes |
SHA-256: 107a66c7342b16d52e03b3c64ba4a91531e907fa8189837632277b55b7038297 |
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font_01_sfnt_off000075d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D0 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_02_sfnt_off00007e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E5D | 9724 bytes |
SHA-256: f7fcb6053de1d9dc7e70117a9ad13b7c53c5b51f8b903e66be70bc468ec6862c |
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font_03_sfnt_off00009fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FE7 | 2916 bytes |
SHA-256: 55086fd9ee3a40967ccb26436e4e17c00c087b1f5e27f1daed9b17afabfead88 |
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