MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link farm designed to appear as search results for 'relaxation exercises for anxiety pdf'. The primary malicious URL, https://ttraff.ru/wb?keyword=relaxation%20exercises%20for%20anxiety%20pdf, is identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous embedded links further supports a malicious intent, likely to lead users to harmful content or phishing sites.
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.ru/wb?keyword=relaxation%20exercises%20for%20anxiety%20pdf In PDF document text
- http://files.deniskilcommons.com/uploads/1/3/1/6/131606208/427458.pdfIn PDF document text
- http://girakob.victorianfashionsociety.com/uploads/1/3/2/3/132303382/rosuvejuma-dagatedufali-lolunaxid-mowepuwuxuj.pdfIn PDF document text
- http://files.alibraryisonfire.com/uploads/1/3/1/1/131163740/vatanilotivu.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/1/0433/1359/4526/files/misadijadosebedukufemalul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/vupazemubojumideros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6197/8023/files/grammy_awards_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8651/0232/files/19046908296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2432/6564/files/kptcl_exam_question_papers_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/8785773768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3510/6200/files/dikitizogogipefel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2830/8387/files/84028184422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8306/2678/files/best_sociology_books_for_upsc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9764/4449/files/kuwemejupesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0595/9588/files/677169248.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6338 | 5116 bytes |
SHA-256: d429f2643adee31357b1a6d75b78ef849d596cd82da4518ba08ca4af8ff74f91 |
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font_01_sfnt_off000074b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B7 | 9808 bytes |
SHA-256: 5f2a69b7c4f5b4262e8d42fddc206f7f168c4bf3ebccbba5fcbc0d4871dbd19d |
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font_02_sfnt_off00009639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9639 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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