MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors, indicating a phishing or malicious redirection attempt. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bmi+chart+nhs+pdf, which is flagged as a malicious redirector. 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=bmi+chart+nhs+pdf
- http://files.mokilart.com/uploads/1/3/1/4/131438667/7423723.pdf
- http://files.mississippinativeplantsociety.org/uploads/1/3/0/8/130874377/guxewetato.pdf
- http://files.blueheronstainedglass.net/uploads/1/3/1/3/131382346/ac728f2.pdf
- http://files.kwigsnstyles.com/uploads/1/3/1/3/131398102/desikisev.pdf
- http://josiso.studentvoicesnyc.org/uploads/1/3/0/7/130775795/4918864.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8669/9925/files/abraham_maslow_s_need_hierarchy_theory.pdf
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/sharp_carousel_microwave_manual.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/68041429356.pdf
- https://cdn.shopify.com/s/files/1/0437/2935/4903/files/bubajulotowotadila.pdf
- https://cdn.shopify.com/s/files/1/0435/4116/8283/files/89299094946.pdf
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/5197846280.pdf
- https://cdn.shopify.com/s/files/1/0433/2548/9320/files/brios_fair_oaks.pdf
- https://cdn.shopify.com/s/files/1/0437/3938/1912/files/75279066393.pdf
- https://cdn.shopify.com/s/files/1/0432/3190/3902/files/46899780663.pdf
- https://cdn.shopify.com/s/files/1/0429/5199/9637/files/crossfit_training_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/7428/8793/files/gear_vr_disable.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_off000062d8.bin40ce329d605381fd908e207e6edfbbed8a0104ea7e7e518704e4068853e4d46b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D8 | 5412 bytes |
font_01_sfnt_off00007514.bin6ac237b157bfa118bc286920feda2c044e1cf636cb412e3f89d37d2137d2fc7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7514 | 9936 bytes |
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