MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'worksheet answer key' lure, which aligns with the malicious URL's keyword parameter. The ML classifier strongly indicated maliciousness, and the presence of many external links suggests a link farm or redirection tactic.
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.ru/pify?keyword=carbon+cycle+game+worksheet+answer+key
- http://files.lampoonprops.com/uploads/1/3/0/7/130739222/db413929fd7.pdf
- http://novifizaw.hannahstainedglass.com/uploads/1/3/0/7/130739038/e8211a912.pdf
- http://files.mahutetrading.com/uploads/1/3/1/3/131397964/pusixumexiwer.pdf
- http://buval.stellardobermans.com/uploads/1/3/1/3/131379945/4228592.pdf
- http://rofop.paleodietevolved.com/uploads/1/3/0/8/130874359/zizafekex-timitesewaxu-bisigat-lilomavaxip.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5938/8316/files/hole-_flanging_process_on_thin_sheet_metal.pdf
- https://cdn.shopify.com/s/files/1/0434/2461/2508/files/instagram_highlights_template_black.pdf
- https://cdn.shopify.com/s/files/1/0436/9979/8166/files/polynuclear_aromatic_hydrocarbons.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/nesevibax.pdf
- https://cdn.shopify.com/s/files/1/0435/2016/3999/files/eee_3307_lab_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/4446/8896/files/calendario_azteca_original.pdf
- https://cdn.shopify.com/s/files/1/0433/8129/3221/files/89594754562.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zavokalozetaxolemo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdf
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/83689789963.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_off00005efc.bin50b6f83a1d25dd1a4d7f1f9b782764fe23cc9d6c67d0e7de4e4c4780ea3962fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EFC | 5516 bytes |
font_01_sfnt_off000071a9.binb3135bb6e73ccce9a9eb75f8fc385bf2cf2b2da27ed64b9071ab809bec0670ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71A9 | 10668 bytes |
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