MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to external PDF files hosted on various domains, including a known malicious redirector. The document body, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=should+have+ought+to+have+exercises+pdf', which is flagged as a malicious redirector. This indicates a likely attempt to direct users to malicious content through a link farm or redirector strategy.
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/pify?keyword=should+have+ought+to+have+exercises+pdf In PDF document text
- http://files.boerneamlegion.org/uploads/1/3/0/9/130969762/gofoleruwobej_jizifut.pdfIn PDF document text
- http://files.vincentrussodesigns.com/uploads/1/3/2/6/132695813/4033198.pdfIn PDF document text
- http://files.msdewarsclass.com/uploads/1/3/0/7/130775229/juvimozogiwukub_pikoru_gufiguginipera.pdfIn PDF document text
- http://denefaxa.cebuanohomes.com/uploads/1/3/1/0/131070152/b94fdf5b.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/1/0427/8022/9791/files/vivazelikukufaxedutalul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9105/0137/files/92069313141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8019/7031/files/bohrer_schleifen_anleitung.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3861/2378/files/16334046337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0760/5910/files/relirimijuwemosopaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6567/0806/files/pakonovox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2661/9288/files/industrial_organizational_psychology_aamodt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7286/3899/files/84199680678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/6771/5234/files/mba_cet_result_date_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2906/8949/files/46181653394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0581/2629/files/23272659932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/0604/6886/files/best_forex_technical_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/71638983899.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_off000066f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F5 | 5424 bytes |
SHA-256: 14a3ef5d14e4397302b6ea6b8e579431a7dc6da09be163c93c474608c31f18d1 |
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font_01_sfnt_off0000798d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798D | 10420 bytes |
SHA-256: 11dac8497d5b6e216d575dd9a24aaa62ed4c762e2f6b1e1c8a0a80b65c2c3372 |
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font_02_sfnt_off00009d21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D21 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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