MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though heavily obfuscated, contains text related to academic material and a malicious URL, suggesting a lure for phishing or malware distribution. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=campbell+biology+2nd+edition+pdf
- http://files.evincarter.org/uploads/1/3/1/4/131437477/wanasiritizedel.pdf
- http://files.activesupportresource.net.au/uploads/1/3/2/8/132815892/16e09a0a0010b47.pdf
- http://files.whittaylorcomics.com/uploads/1/3/1/3/131379591/zuraz_gasit.pdf
- http://files.johncrosbie.com/uploads/1/3/1/4/131406082/46ad36c646.pdf
- http://pepalob.thecakecollective.com/uploads/1/3/2/6/132681946/mewuxasegukiworuriw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5589/6983/files/swot_analysis_journal_articles.pdf
- https://cdn.shopify.com/s/files/1/0439/2452/1128/files/xapere.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/matam.pdf
- https://cdn.shopify.com/s/files/1/0430/0403/5221/files/2095006312.pdf
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/favexaliletamifawi.pdf
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/1095231464.pdf
- https://cdn.shopify.com/s/files/1/0434/4925/4048/files/31123920060.pdf
- https://cdn.shopify.com/s/files/1/0430/8035/1897/files/54805281490.pdf
- https://cdn.shopify.com/s/files/1/0435/4038/1855/files/joponoralid.pdf
- https://cdn.shopify.com/s/files/1/0435/8209/5519/files/30242998692.pdf
- https://cdn.shopify.com/s/files/1/0430/1013/0073/files/bowizutuvuwaragise.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_off000079de.bind309eb7d0d01c1f2e4c0a79d8c77f708d9681ac3157a0e31acbe129ab21e21c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DE | 5364 bytes |
font_01_sfnt_off00008c15.bin842b26d198575e472bd73772c23d8e1577b8d9e9242cfcad6361c30119ef2354 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C15 | 12168 bytes |
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