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 potentially malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract users searching for specific academic topics. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports a phishing or redirection attack pattern.
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=prologue+to+canterbury+tales+notes+pdf
- http://files.pilatesofweston.com/uploads/1/3/1/4/131453944/6787238.pdf
- http://files.brmerch.shop/uploads/1/3/1/6/131606789/1501965.pdf
- http://files.theskinandlashlady.com/uploads/1/3/1/4/131455722/mobazasivibufo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5991/2610/files/sidewexaletu.pdf
- https://cdn.shopify.com/s/files/1/0433/7955/6504/files/33637648378.pdf
- https://cdn.shopify.com/s/files/1/0428/6251/0236/files/fubivagonuposejejoli.pdf
- https://cdn.shopify.com/s/files/1/0430/1111/3123/files/epson_stylus_photo_1400_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/6209/8085/files/vmdk_to_vhdx.pdf
- https://cdn.shopify.com/s/files/1/0431/1459/4466/files/41122895766.pdf
- https://cdn.shopify.com/s/files/1/0435/5981/3279/files/xiwotitebazodoxore.pdf
- https://cdn.shopify.com/s/files/1/0431/2301/5841/files/after_effects_tutorials_download.pdf
- https://cdn.shopify.com/s/files/1/0433/4898/3959/files/tab_in_python.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/58162804663.pdf
- https://cdn.shopify.com/s/files/1/0430/0577/1939/files/63007979115.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60801944673.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_off000062c5.bineca263158d872f4cc86064d8561891e601c04c10e595123f558d3f59aa1c9527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C5 | 5564 bytes |
font_01_sfnt_off000075c0.bindd04c66a41ff6a1724b0005f4439d9939b982d18f163a7f8a8a7991af44c44db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C0 | 9816 bytes |
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