MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to multiple Shopify-hosted PDFs, with one primary link to a malicious redirector. The document body, though heavily obfuscated, contains the text 'Native american cultures worksheet answers' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a malicious redirector.
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=native+american+cultures+worksheet+answers
- http://files.bhbrilliantminds.org/uploads/1/3/1/3/131378942/4f655f993b86a.pdf
- https://cdn.shopify.com/s/files/1/0433/4505/1797/files/jefatuxeseji.pdf
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/69326732787.pdf
- https://cdn.shopify.com/s/files/1/0434/3260/7894/files/rockstar_social_club_sign_in.pdf
- https://cdn.shopify.com/s/files/1/0429/2273/7820/files/mathematical_excursions_aufmann_download.pdf
- https://cdn.shopify.com/s/files/1/0429/7474/0639/files/4023530666.pdf
- https://cdn.shopify.com/s/files/1/0440/9645/4808/files/rujumosaxowobe.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/95591404210.pdf
- https://cdn.shopify.com/s/files/1/0432/2652/9956/files/mewabotenuvumavalug.pdf
- https://cdn.shopify.com/s/files/1/0432/2466/2173/files/11000691719.pdf
- https://cdn.shopify.com/s/files/1/0429/6779/3820/files/bohr_atomic_model_postulates.pdf
- https://cdn.shopify.com/s/files/1/0437/9597/2256/files/nupevasopuzipifisoza.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006204.bin31a48bd154da3dae5af422ed1dfb83e92398241f989509a1120e21586c524a42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6204 | 5224 bytes |
font_01_sfnt_off000073b2.bin251dd554b9a3c9103016bdb5732d841221916dbdc7e6c285708c00c2d3f381ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B2 | 9884 bytes |
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