MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious redirector and a link farm suggests an attempt to drive traffic to malicious sites, potentially for phishing or malware distribution.
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://ttraff.me/123?keyword=resound+linx+3d+9+manual In PDF document text
- https://cdn-cms.f-static.net/uploads/4369933/normal_5f8c7712800c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f880d3e33539.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379626/normal_5f8bdf17bb444.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368984/normal_5f8b1f3eadb50.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367927/normal_5f8911d6885d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379030/normal_5f8bb04407219.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373509/normal_5f88b7f60064c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375203/normal_5f8a15c94e743.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f8707148b3a1.pdfIn PDF document text
- https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/daful.pdfIn PDF document text
- https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/2038155.pdfIn PDF document text
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/wirexanusir.pdfIn PDF document text
- https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/gaxumodofumad_gomifulogukepab_fujaxizuxokuj.pdfIn PDF document text
- https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/jirasemogivepu_pewiwodar.pdfIn PDF document text
- https://pisanofinupu.weebly.com/uploads/1/3/1/4/131437881/597cad04.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/pazifetanegapu/baeyer_villiger_rearrangement.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/viwimujidalazufev.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/bluedio_f2_manual.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/accounting_vocabulary_list_with_definitions.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/15414715803.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edb6eb8c-8edb-4235-a0f9-f58af553f62b/45745928606.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9ff3773-0710-49da-af60-c34fc3baa34f/saporuxuvamafejego.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_off00005304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5304 | 5272 bytes |
SHA-256: 2aae661ba62fb0aea121e7d0bf27172a806d5e38de4cc561d923883a2d43ed54 |
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font_01_sfnt_off000064dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DD | 10016 bytes |
SHA-256: 6a6f8afce7c39d4f17204787250e1b993d1cb9a0e4ed266472c6ce0d84dd165d |
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