MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector URL (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to educational materials. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful content.
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=cours%20bts%20commerce%20international%201%C3%A8re%20ann%C3%A9e%20pdf In PDF document text
- http://files.artbodysoulstudio.com/uploads/1/3/1/0/131070374/e1ca5c7c21ca2.pdfIn PDF document text
- http://files.advancingstem.com/uploads/1/3/2/7/132740204/4a86e7f.pdfIn PDF document text
- http://files.foresideandalusianstud.com/uploads/1/3/0/9/130969740/4120769.pdfIn PDF document text
- http://files.annaclarkmft.com/uploads/1/3/1/1/131164132/texedidesupijokid.pdfIn PDF document text
- http://files.wolverinelacrosseclub.com/uploads/1/3/2/7/132712369/207951.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/1/0430/8012/2532/files/83770246571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/13250004602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2191/7598/files/15858720489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6341/8784/files/15813584150.pdfIn PDF document text
- https://nagitoxidu.files.wordpress.com/2020/07/luluwagokurakaragibosemo.pdfIn PDF document text
- https://towaxoveg.files.wordpress.com/2020/07/6114708549.pdfIn PDF document text
- https://rizefoxug.files.wordpress.com/2020/06/99068153395.pdfIn PDF document text
- https://bijezopu.files.wordpress.com/2020/07/nigexiwovigawikezebeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7959/8229/files/70500627622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4048/9122/files/57626988545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/sudumeforukejopijeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8271/9136/files/16151948706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0933/5715/files/dewidufabaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/85493444948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/52944194230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/xanin.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_off0000745a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x745A | 5684 bytes |
SHA-256: 404d50d1732f010cc5c3dc4021811c384980a859b313a77dad1f96fe524551e0 |
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font_01_sfnt_off00008703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8703 | 11628 bytes |
SHA-256: 4af88044e0ef2d8ae8510990e30b2d450a15374cbb666413c6b6851cb3d5efb7 |
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