MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, with one identified as a malicious redirector pointing to 'ttraff.com'. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, suggests a lure related to educational content ('Newton's second law problem solving worksheet'), which is a common tactic for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=newton
- http://files.pemun.org/uploads/1/3/1/3/131384081/3121893.pdf
- http://files.genotac.com/uploads/1/3/1/3/131398479/naxunusu-jalemin.pdf
- http://files.piecesearlylearning.com/uploads/1/3/1/6/131636960/579402.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://volutabeni.files.wordpress.com/2020/06/xubogulolaxefamokavuduwed.pdf
- https://nonapuza.files.wordpress.com/2020/06/gutevupirejimefam.pdf
- https://jizerorozuwo.files.wordpress.com/2020/06/72378930778.pdf
- https://dopiximodo.files.wordpress.com/2020/07/57761774907.pdf
- https://napusubet.files.wordpress.com/2020/07/49462047215.pdf
- https://vugibuvasir.files.wordpress.com/2020/07/30917348389.pdf
- https://lawikisuj.files.wordpress.com/2020/07/ruvof.pdf
- https://sunoripe23167673.files.wordpress.com/2020/07/moviridesalurumuxozimavax.pdf
- https://cdn.shopify.com/s/files/1/0430/8064/6807/files/94560353193.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/womosoravitixugefiwil.pdf
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/sujiresagi.pdf
- https://cdn.shopify.com/s/files/1/0430/7307/7409/files/tafumegajivedalinutok.pdf
- https://cdn.shopify.com/s/files/1/0431/8117/9037/files/sunelikuloderozovesam.pdf
- https://cdn.shopify.com/s/files/1/0434/3106/7813/files/15746403072.pdf
- https://cdn.shopify.com/s/files/1/0431/0371/5481/files/18535370940.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea1c.binf9505cdf0c838ffdd6215307259d15a1028eaa340c05be5fedd00ad3806b8a17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1C | 5632 bytes |
font_01_sfnt_off0000fd38.bin319fdb7df141f26fd86e39b1062a842c24aae7b83ed26511472f25e928c6339f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD38 | 13896 bytes |
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