MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, specifically pointing to `ttraff.com`. The document body, though heavily obfuscated, appears to be a lure for educational materials. The ML classifier strongly flagged this PDF as malicious, suggesting it's part of a phishing or malware distribution campaign.
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.com/pify?keyword=ejercicios+rima+asonante+y+consonante+5o+primaria+pdf In PDF document text
- http://files.darrylstrange.org/uploads/1/3/1/6/131637362/simotewoziruf_durexiwajiboxe_wiwogapikegogi.pdfIn PDF document text
- http://files.rubyslipperfund.com/uploads/1/3/1/4/131453823/wagemivoxola.pdfIn PDF document text
- http://files.womancarehomemidwifery.com/uploads/1/3/1/4/131405948/5096084.pdfIn PDF document text
- http://files.elizabethweybright.com/uploads/1/3/1/4/131452815/7832542.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/1/0431/0931/8813/files/93080496462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/xezekuwilojolamaxapedarol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/40099207802.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5863/4658/files/fodunonetudeziwumujapuzod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/75694849921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0860/5859/files/75820527855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0521/3854/files/josadixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1801/8203/files/dodiwotarabalosixaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3470/6083/files/najegaloguwexolovawuzalag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6454/0840/files/pifabajefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6667/8696/files/tunofekiridapif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5104/1447/files/kebelukokezugukefogasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9818/6652/files/rigibozebuladalofinerusas.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_off000072ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EC | 5316 bytes |
SHA-256: 52d9810a5c7f17bac179d7f0572f20ed7c90b731f5638ecdae155a7729cd8a6f |
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font_01_sfnt_off000084f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84F2 | 11060 bytes |
SHA-256: cbf4b39407b51a671b27aa0ee9764923ba8c69fc58b708ebdd86776ac3ba84c4 |
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