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 known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to drive traffic to malicious sites. 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.ru/pify?keyword=libro+la+madre+del+sol+de+susana+qui
- http://kewaxu.tracyleshay.com/uploads/1/3/1/1/131163635/nuxugefexobenoma.pdf
- http://puguwo.darcyclarke.us/uploads/1/3/2/6/132696056/gofidu.pdf
- http://files.cookislandsoptometrist.com/uploads/1/3/1/8/131871518/junep-dixuxedane.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/1816/5146/files/fool_on_the_hill_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0430/8221/9674/files/personalized_cupcake_toppers_template.pdf
- https://cdn.shopify.com/s/files/1/0436/3704/7449/files/fedosinutibefobena.pdf
- https://cdn.shopify.com/s/files/1/0438/1730/4226/files/xepezusakorojeba.pdf
- https://cdn.shopify.com/s/files/1/0438/4640/2198/files/46204352388.pdf
- https://cdn.shopify.com/s/files/1/0437/8794/4094/files/evh_5150_iii_stealth_vs_5150_iii.pdf
- https://cdn.shopify.com/s/files/1/0430/7625/5897/files/ruworofatazixusujigabim.pdf
- https://cdn.shopify.com/s/files/1/0429/3348/5727/files/bwp_board_date_sheet_2019.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3437/files/absurdism_and_existentialism.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_off0000bca8.bineb07ee050ffae97730733013f99b25d0b88aa05e1a401bc136371f4e843596b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA8 | 5180 bytes |
font_01_sfnt_off0000ce1b.bin7fbc6ca09d1f05dafd7701c30ec8733a82127e7ff4748897a55508a8172db74a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1B | 11428 bytes |
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