MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to manipulate search engine results, likely to distribute malicious content.
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=barefoot+investor+audio+book+pdf
- http://mosipiru.ourlittlecountrychurch.com/uploads/1/3/0/9/130969754/8002113.pdf
- http://muwekani.mhnr.org/uploads/1/3/1/0/131070702/tuxusog.pdf
- http://files.mistiesdanceandtumbling.com/uploads/1/3/0/8/130874490/4771285.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1249/7305/files/agile_software_development_with_scrum_schwaber.pdf
- https://cdn.shopify.com/s/files/1/0434/2949/4936/files/69466652810.pdf
- https://cdn.shopify.com/s/files/1/0435/8258/7037/files/aptransco_results_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/61068189084.pdf
- https://cdn.shopify.com/s/files/1/0429/8525/9159/files/ayushman_bharat_hospital_list_vadodara.pdf
- https://cdn.shopify.com/s/files/1/0440/6778/2808/files/commercial_building_design.pdf
- https://cdn.shopify.com/s/files/1/0448/5152/7842/files/how_to_move_steam_games_to_ssd.pdf
- https://cdn.shopify.com/s/files/1/0428/7869/7631/files/rulokojokumumivewos.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3100392900.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51031200676.pdf
- https://cdn.shopify.com/s/files/1/0429/3863/0300/files/fallout_4_screw_id.pdf
- https://cdn.shopify.com/s/files/1/0429/8915/8554/files/case_files_pediatrics_3rd_edition.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_off0000e8f9.bin176e301c09670bbf1e0f0140d967bc6176f2158b0dc0e6bc958e87a1c841f722 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F9 | 5316 bytes |
font_01_sfnt_off0000fb1b.bin69a6aaff8fc5dcbb20c0415b980dd7cf5d7f92a04959186cc8980b896fff90c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1B | 10116 bytes |
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