MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links to external websites, many of which are hosted on disposable domains or known redirector infrastructure. The primary malicious link identified is https://gettraff.ru/123?keyword=2020+science+olympiad+rules+division+c, which is flagged as a malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme designed to drive traffic to malicious sites.
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/123?keyword=2020+science+olympiad+rules+division+c In PDF document text
- https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/2562645.pdfIn PDF document text
- https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/7719612.pdfIn PDF document text
- https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/9649549.pdfIn PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/tunik_kagetaziror.pdfIn PDF document text
- https://vemifibu.weebly.com/uploads/1/3/4/3/134354414/96b5abe10bf92.pdfIn PDF document text
- https://wixurawitubeza.weebly.com/uploads/1/3/4/3/134319602/5220914.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/8f154832-b6fe-4ce6-b7f3-8bd25fe044dd/damedebigawim.pdfIn PDF document text
- https://s3.amazonaws.com/napoledunadigo/laxemoziwavujugi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3be3cf20-4e46-42b3-9b8c-84e410da8682/slope_game_online.pdfIn PDF document text
- https://s3.amazonaws.com/davawina/wodub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27c97014-765f-4acc-b2fe-98d324a661d1/kobaxedumifidub.pdfIn PDF document text
- https://s3.amazonaws.com/jadudusujuje/10876628390.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_off0000613f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613F | 5560 bytes |
SHA-256: 02a679955c7bee5baee564b981e58f777fd224d3b1ec23dc67a91e22cbbe95da |
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font_01_sfnt_off00007418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7418 | 10556 bytes |
SHA-256: 14674840c21ad70a8e3c39c6fca237280cfc048741e98f862ef16a25b3f61b15 |
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