MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to lure users with the promise of free invitation templates. The ML classifier strongly indicates maliciousness, and the presence of a known malicious redirector URL confirms the intent to lead users to a harmful site. The document body, though heavily obfuscated, contains the URL that is also flagged by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic.
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=costume+party+invitation+templates+free
- http://bovozeseg.patriotfarmbostonterriers.com/uploads/1/3/1/8/131872225/xokuxijum.pdf
- http://febuso.k9justincase.com/uploads/1/3/2/7/132712354/a2f70.pdf
- https://cdn.shopify.com/s/files/1/0436/8780/5081/files/inquiry_into_physics_7th_edition_download.pdf
- https://cdn.shopify.com/s/files/1/0434/7022/5574/files/85645955187.pdf
- https://cdn.shopify.com/s/files/1/0434/6177/1430/files/imagenes_para_colorear_mandalas.pdf
- https://cdn.shopify.com/s/files/1/0430/6065/8330/files/talejolataru.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/48964478812.pdf
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/tisamubasajamow.pdf
- https://cdn.shopify.com/s/files/1/0431/2629/2629/files/javuxil.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/35675098140.pdf
- https://cdn.shopify.com/s/files/1/0430/4073/5381/files/my_arabic_alphabet_book.pdf
- https://cdn.shopify.com/s/files/1/0432/2587/4600/files/dc_machines_b_l_theraja.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/arrl_extra_class_license_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/5677/5839/files/90910151872.pdf
- https://cdn.shopify.com/s/files/1/0447/4676/8533/files/alarm_controls_600d.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_off00008a93.bin0ecf50aa1ead6492096f16479f0807661fcc06b4e2ee9a72762969dc5aa6d238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A93 | 5116 bytes |
font_01_sfnt_off00009bea.bin01977fb0bd031e7915d64625f3924b45cd1886ac5c9fb380ab5bf14429bfc2ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BEA | 15460 bytes |
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