MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL and references to free course material, suggesting a lure to entice users to click. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=design+patterns+in+javascript+udemy+free
- http://files.thebeveragebutler.com/uploads/1/3/2/7/132740997/tigarukoveb-faxamubit-burugapeke.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8949/4177/files/3907085178.pdf
- https://cdn.shopify.com/s/files/1/0429/4728/1062/files/cbt_for_anxiety_disorders_a_practitioner_book.pdf
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/optical_isomerism_file.pdf
- https://cdn.shopify.com/s/files/1/0429/7523/2153/files/almagestum_novum.pdf
- https://cdn.shopify.com/s/files/1/0430/9801/3845/files/ergonomic_chair_design_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2995/files/carbimazole_mechanism_of_action.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niborenegukudokeregus.pdf
- https://cdn.shopify.com/s/files/1/0432/0670/5312/files/zokuvezawonulafomo.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/xifegarimusudilere.pdf
- https://cdn.shopify.com/s/files/1/0431/7102/0954/files/31688241993.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_off00005e8f.binf5f49371aab00b9b69716e451521cc7aa99462239efc338136ed2b28ac8237ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E8F | 5680 bytes |
font_01_sfnt_off000071dc.binc255f379eb0258ebbf02f07ee21b744790e1d513847fea6a50b0836938a2fe31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DC | 10120 bytes |
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