MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing indicating they lead to known malicious redirector infrastructure. The primary redirector URL is 'https://ttraff.com/wb?keyword=relative%20pronouns%20sentences%20worksheet', which is also flagged as an SEO redirector lure. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or scam attempt using a document as a lure.
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/wb?keyword=relative%20pronouns%20sentences%20worksheet In PDF document text
- http://files.jeffcofiretraining.org/uploads/1/3/2/6/132681409/4110604.pdfIn PDF document text
- http://files.ewiechart.com/uploads/1/3/2/3/132302913/gomokiwu-dapewijutufose-jofumuvusu.pdfIn PDF document text
- http://files.myhalcyonic.com/uploads/1/3/1/4/131438843/navigidarupe_megamebun_mefagewovavusu.pdfIn PDF document text
- http://files.volnaiskra.com/uploads/1/3/1/4/131454098/792583d732dac8.pdfIn PDF document text
- http://files.sdrm.shop/uploads/1/3/0/7/130739809/7638706.pdfIn PDF document text
- http://files.graceub.com/uploads/1/3/2/6/132681404/6733747.pdfIn PDF document text
- http://files.oliviaunderwood.net/uploads/1/3/0/7/130776219/zazelokorejo.pdfIn PDF document text
- http://files.brentshirleyband.com/uploads/1/3/2/6/132681213/giwumolorozunigar.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://rovekozo.files.wordpress.com/2020/06/jewegimatutalow.pdfIn PDF document text
- https://xefupixebi.files.wordpress.com/2020/06/rezavosebujegonibipa.pdfIn PDF document text
- https://guvusumanev.files.wordpress.com/2020/06/kumolavoxozinuvudeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/divulerarimosi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4431/6070/files/15079615601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lebalod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/23425961699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/bekuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4122/5880/files/52521166874.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0318/3258/files/sejinanapoxegene.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_off00006ee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EE4 | 5124 bytes |
SHA-256: aacee0f002723f95136506c6c34e02733ed95e7ba0cf8a8ce6ce99c972859cf7 |
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font_01_sfnt_off00008061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8061 | 9988 bytes |
SHA-256: 2afd1c2274297aaf0ae9ff1a1143a759d4856f5872a112c00c82d5e55c386f84 |
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