MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to deceive users into downloading further malicious content. The ML classifier strongly indicates maliciousness, and the presence of redirector links suggests a phishing or malware distribution attempt.
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=anisocoria+trauma+pdf In PDF document text
- http://firudi.atvdeserthome.com/uploads/1/3/1/8/131871699/buwubovenipima_bumanowet.pdfIn PDF document text
- http://files.nwcoasttrader.com/uploads/1/3/1/4/131454151/taxeb-boxekidojotud-mozavowi-wegemaxemobo.pdfIn PDF document text
- http://files.mrfromm.com/uploads/1/3/0/7/130738792/winotabaxukotalilab.pdfIn PDF document text
- http://files.mayadabellydance.com/uploads/1/3/1/4/131437599/fafexi.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/1/0438/9801/1816/files/74590505547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peboginesewuxexadamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9076/3175/files/regub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1515/9458/files/above_and_below_board_game_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7303/files/liberalismo_politico_john_rawls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4997/4946/files/royksopp_remind_me.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78476378890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4606/7621/files/zodinutumivaladi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1481/4885/files/security_risk_assessment_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5657/8212/files/rerosegefonurufutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/1459/7271/files/mht_cet_2020_result.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_off00009688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9688 | 5024 bytes |
SHA-256: 33ac15fa1881f90663108345a91676aca5adf7d9636acf356b6ce3d52e88a910 |
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font_01_sfnt_off0000a773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA773 | 10432 bytes |
SHA-256: a8f07d049264d04889caa398e8342b3ccb1e2262810cb7c9e1e0f96571e5b521 |
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font_02_sfnt_off0000caca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCACA | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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