MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting it is a tutorial, likely a lure. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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.ru/pify?keyword=3ds+max+tutorials+pdf+malayalam
- http://files.dolphinvacations.net/uploads/1/3/0/7/130739906/wiravavak.pdf
- http://foxolo.privateinvestigatorsdubai.com/uploads/1/3/1/6/131606407/vawovuxerapeg_vafurumatubopa.pdf
- http://files.creativethoughtevents.com/uploads/1/3/0/7/130738641/binatenol.pdf
- http://files.allheartjsj.com/uploads/1/3/0/7/130739225/3c7dfa44057.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/5496/0535/files/business_development_director_resume.pdf
- https://cdn.shopify.com/s/files/1/0440/6919/1832/files/apologize_piano_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mulobovapu.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/python_discord_bot_github.pdf
- https://cdn.shopify.com/s/files/1/0451/2422/3141/files/prevention_of_occupational_hazards.pdf
- https://cdn.shopify.com/s/files/1/0432/3006/8898/files/81930738869.pdf
- https://cdn.shopify.com/s/files/1/0437/5520/8858/files/54793976404.pdf
- https://cdn.shopify.com/s/files/1/0427/4749/4567/files/7725259027.pdf
- https://cdn.shopify.com/s/files/1/0438/2123/6386/files/annotating_on_surface_pro_4.pdf
- https://cdn.shopify.com/s/files/1/0431/7108/6492/files/dagenuxojojasufidi.pdf
- https://cdn.shopify.com/s/files/1/0433/7814/7491/files/sazodezadavetodufuxa.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_off00006f11.binf91bb41db306d3914f900b28f27313bd6411812ac16564d2034c4800e2d3040c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F11 | 5428 bytes |
font_01_sfnt_off0000817b.bind262084c420447f4e2df38bada5f829268768c7ca89117d5d5e1759cd8f233d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x817B | 9864 bytes |
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