MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links to external sites, including a known malicious redirector. The primary lure appears to be a link to 'what is the somatic nervous system quizlet', which redirects to the malicious domain cctraff.ru. This suggests a phishing or scam attempt designed to redirect users to potentially 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://cctraff.ru/123?keyword=what+is+the+somatic+nervous+system+quizlet In PDF document text
- https://cdn-cms.f-static.net/uploads/4382974/normal_5f91a1460f15e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368503/normal_5f8ae6a153f59.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368245/normal_5f8b73adb0d48.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379964/normal_5f98eb0ccfc22.pdfIn PDF document text
- https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/894664.pdfIn PDF document text
- https://bitekiparoduj.weebly.com/uploads/1/3/4/0/134017536/6916bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387703/normal_5f962a060d01d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369936/normal_5f8c064b6b0cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379385/normal_5f8ceea1db4fa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368227/normal_5f89bfb48fff3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366308/normal_5f8c5a2b2fd34.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378171/normal_5f8a4309a129e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416319/normal_5f98b1b809017.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388426/normal_5f90a6caaae8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385216/normal_5f8d9c6e27217.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/1/0478/1791/6575/files/97345522290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0486/6424/8470/files/fullscreen_browser_android_app.pdfIn PDF document text
- https://s3.amazonaws.com/fosagoba/xefuk.pdfIn PDF document text
- https://s3.amazonaws.com/leteraxewe/crystal_chandelier_chords.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_off00007a34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A34 | 5388 bytes |
SHA-256: 65b27110ceb9876142bcbc2fa94a810416a6023626b9e2c7b3c5705c054cc9c2 |
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font_01_sfnt_off00008c80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C80 | 10404 bytes |
SHA-256: 7091b5b80b69419036d05ab516ea5445e9e6767ed92d2c5309c5883ea27d144d |
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