MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://traffset.ru/123?keyword=snell+s+law+worksheet PDF link annotation
- https://nubagusajol.weebly.com/uploads/1/3/4/2/134235051/5995762.pdfIn PDF document text
- https://pumowurunumig.weebly.com/uploads/1/3/2/7/132740285/5064079.pdfIn PDF document text
- https://rigitugatelimo.weebly.com/uploads/1/3/4/1/134131632/sadilapadelavoz_jusosagaduj.pdfIn PDF document text
- https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/481069.pdfIn PDF document text
- https://bukojawuwo.weebly.com/uploads/1/3/4/5/134508808/rajuvoxobexoveri.pdfIn PDF document text
- https://zukamukenipebo.weebly.com/uploads/1/3/1/3/131380388/5750563.pdfIn PDF document text
- https://wexofele.weebly.com/uploads/1/3/4/6/134632346/3446326.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/e7ddce37-6d64-4619-aa31-d9aa59aa769f/91454222237.pdfIn PDF document text
- https://s3.amazonaws.com/voxulija/piwiwabisevupirebak.pdfIn PDF document text
- https://s3.amazonaws.com/luropi/wavelet_matlab_code.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a70685c4-a0f7-49aa-aa75-3ce9e3a42e83/vuwawu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/301eea14-b40b-47b3-b279-f86e107e9cc2/sennheiser_over_ear_headphones_review.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_off00004e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E8B | 4772 bytes |
SHA-256: f90a8dd8cc66c8ea3c691a56cfe8e6799924c95908b5b1e81615bd9f8eb6b4a3 |
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font_01_sfnt_off00005ebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EBB | 9688 bytes |
SHA-256: 8027fb2a0ff8f5d265b9b432501f1c38a85f02546636e710bf7aaa11001b7e10 |
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font_02_sfnt_off00007fea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FEA | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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