MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to 'insulin sliding scale guidelines' but ultimately lead to a link farm designed to host further malicious content. 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.com/pify?keyword=insulin+sliding+scale+guidelines
- http://files.tender4life-project.org/uploads/1/3/1/6/131637308/45a0f578.pdf
- http://files.broeifionydd.com/uploads/1/3/1/1/131163986/a66576.pdf
- https://cdn.shopify.com/s/files/1/0432/5444/8286/files/oxford_dictionary_advanced_learner_apk.pdf
- https://cdn.shopify.com/s/files/1/0431/5712/7336/files/28409007707.pdf
- https://cdn.shopify.com/s/files/1/0431/4837/8280/files/tojiva.pdf
- https://cdn.shopify.com/s/files/1/0431/4349/5841/files/18581276060.pdf
- https://cdn.shopify.com/s/files/1/0439/2845/3288/files/adobe_acrobat_9_pro_full_gratis.pdf
- https://cdn.shopify.com/s/files/1/0432/2348/2525/files/zogejowuxawi.pdf
- https://cdn.shopify.com/s/files/1/0437/4193/7818/files/90145679407.pdf
- https://cdn.shopify.com/s/files/1/0437/0730/2037/files/jidesogesajokipabal.pdf
- https://cdn.shopify.com/s/files/1/0434/5410/3713/files/giulio_carlo_argan_arte_moderna.pdf
- https://cdn.shopify.com/s/files/1/0429/7539/5993/files/rararutasuxusado.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_off00006518.bin8da7d31402ab6c15c12009158e4b3923ce6d52bd296ca51c0c468ca501ddd149 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6518 | 4948 bytes |
font_01_sfnt_off000075f1.bin8ae7c62c09452e0d19b63d9c40c2eb91d17e5e716ec2edaff8e17aca09ec3d7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F1 | 10224 bytes |
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