MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and a search query related to finding paid apps for free, indicating a phishing or scam 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=play+store+alternative+to++paid+apps
- http://files.authorrebeccaarogers.com/uploads/1/3/1/6/131637034/wakobobo_jujorufaxeso_puxul.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/7602/4475/files/netflix_app_won_t_movies.pdf
- https://cdn.shopify.com/s/files/1/0434/2746/3324/files/halo_reach_mcc_achievements_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/2434/3462/files/blackjack_in_python.pdf
- https://cdn.shopify.com/s/files/1/0427/6640/1692/files/biogeochemical_cycle_of_carbon.pdf
- https://cdn.shopify.com/s/files/1/0429/4498/7292/files/autocad_revit_mep_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0428/3197/0471/files/liremefadonulizo.pdf
- https://cdn.shopify.com/s/files/1/0436/2423/5170/files/21707772396.pdf
- https://cdn.shopify.com/s/files/1/0431/3874/4469/files/83472546474.pdf
- https://cdn.shopify.com/s/files/1/0428/5123/8047/files/capillary_electrophoresis_advantages_and_disadvantages.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_off00006e44.bin330ae21a3faf295fdbe3f55bd217c394a880a1da76ddbecde28e48837e313789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E44 | 5116 bytes |
font_01_sfnt_off00007fc0.bin52ae44f462a744e03d14ff065cfcebccd42348378860040ae088a18a19ecaf4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC0 | 10328 bytes |
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