MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of embedded links, many of which point to other PDF documents hosted on disposable or link-farm-like infrastructure. One of the primary links directs to a known malicious redirector, indicating a probable attempt to lead users to malicious content or phishing sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cctraff.ru/123?keyword=sto+nino+prayer+quotes In PDF document text
- https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/3b0ba99ac7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368474/normal_5f8ab94257ed7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376088/normal_5f89b4d1a08fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375073/normal_5f9034f2922a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366304/normal_5f8fece33f9e6.pdfIn PDF document text
- https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/6a28b9286db0f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383146/normal_5f92c68e461c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366327/normal_5f918d583bf86.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388608/normal_5f9593a18bae7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371808/normal_5f96b8113d1a9.pdfIn PDF document text
- https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/ketaporok.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385410/normal_5f925ef064341.pdfIn PDF document text
- https://jufukakoxojopop.weebly.com/uploads/1/3/4/3/134317893/120852.pdfIn PDF document text
- https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/dejenufinuze-beborexav-pepetexa.pdfIn PDF document text
- https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/7a0441c4912.pdfIn PDF document text
- https://wunamixexot.weebly.com/uploads/1/3/4/4/134456109/xekejozixatonat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426571/normal_5f986eab2338c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/levumoduf/anthony_giddens_socjologia_chomikuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0483/4692/3171/files/tracing_lines_worksheets_for_christmas.pdfIn PDF document text
- https://s3.amazonaws.com/kufazete/worksheet_significant_figures_in_calculations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0492/5633/3468/files/97968784349.pdfIn PDF document text
- https://s3.amazonaws.com/ravuxudibure/waminasexotezidilakonel.pdfIn PDF document text
- https://s3.amazonaws.com/zetare/8357733415.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7331 | 5112 bytes |
SHA-256: 4aa2842741512e9567c8720acef8eca52e83b91ea613c17033c62ed91b7a37bb |
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font_01_sfnt_off000084a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84A9 | 9808 bytes |
SHA-256: 4e64752d83a1c73951d66a03fa391e0d8f2f6f3b6fc9b1f2881c182ca3a1a393 |
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