MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to domains associated with link farms or redirectors. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the heuristic finding, suggesting a lure for users searching for specific content. No scripts were extracted from this sample.
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://gettraff.ru/strik?keyword=carol+of+the+bells+sheet+music+pdf+e+minor In PDF document text
- http://gemak.mathewvieira.com/uploads/1/3/0/7/130776760/1246767.pdfIn PDF document text
- http://digebo.runningwithspiritbabies.com/uploads/1/3/1/3/131380183/vulaweferotaboxajar.pdfIn PDF document text
- http://nogutalez.biostatsgen.com/uploads/1/3/2/8/132815176/joxibine.pdfIn PDF document text
- http://files.shanereidcontracting.com/uploads/1/3/1/0/131069763/tezatuvevik.pdfIn PDF document text
- http://visuxuliz.youshouldvisitjapan.com/uploads/1/3/1/4/131454057/1845343.pdfIn PDF document text
- http://files.12chemistry.com/uploads/1/3/0/7/130739143/novutejizikojekuv.pdfIn PDF document text
- http://mimivizo.drwilliammunro.com.au/uploads/1/3/1/3/131384552/2c59f.pdfIn PDF document text
- http://files.harbourstreetjazz.com/uploads/1/3/1/3/131380495/sufopo.pdfIn PDF document text
- http://putili.knemeth.com/uploads/1/3/1/3/131384552/e5c627.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/c075d12a-a14d-472f-a905-df1e64a947e2/jeluralobevigegogalaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/950ba1b2-cdd9-4436-b5e9-76835ecbb59e/33792102549.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d56dd29-205f-49bf-b545-2837f4d0a334/78386428978.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa660577-7e93-44c1-9ea0-2536c7d53832/69896450572.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11389ef6-48f5-486e-b021-d68dc6f9d4a2/13475937024.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85a4fd93-afb9-4cb4-baf5-61cca99b584f/11778311015.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c4e6256-c6a0-40ef-b635-47684048d5c4/27748254558.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c755c913-170d-4880-86e4-b9159239c132/ponoximulemojusiv.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51D7 | 5440 bytes |
SHA-256: 82abafcc589e5a5c67d010bf7fb2e2c7d15678c4bacf7107df0b8341efdb3f63 |
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font_01_sfnt_off0000642d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x642D | 10308 bytes |
SHA-256: 561dac131a8f52760ec9aaebb5ac83bdefae55d7069aa6f24a12b5bcc1219f2c |
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font_02_sfnt_off00008776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8776 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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