MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded URLs, many of which point to disposable hosting and appear to be part of a link farm. One URL, 'https://ttraff.ru/pify?keyword=japanese+culture+worksheets', is identified as a malicious redirector. The ML classifier strongly indicated maliciousness, supporting the conclusion that this document is designed to lead users to harmful 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://ttraff.ru/pify?keyword=japanese+culture+worksheets In PDF document text
- http://files.athenscountyantiquemachineryclub.com/uploads/1/3/0/8/130873736/bewugaru-gojibosaxesep-nefakunuzalilif.pdfIn PDF document text
- http://files.paperboyproductions.net/uploads/1/3/1/4/131455463/6567438.pdfIn PDF document text
- http://files.revmelodyann.com/uploads/1/3/2/6/132680869/loguduwaxemodaxul.pdfIn PDF document text
- http://files.yunkawasiperu.org/uploads/1/3/1/3/131379612/vizarifogumawov.pdfIn PDF document text
- http://files.rangeroverclubsa.com.au/uploads/1/3/2/3/132302764/334420.pdfIn PDF document text
- http://files.music-in-hospitality.com/uploads/1/3/1/3/131384214/wotos-gejuzibofulanop-xupewo-roxusulosuburo.pdfIn PDF document text
- http://files.creativecounselingsrq.org/uploads/1/3/2/7/132710787/5366484.pdfIn PDF document text
- http://files.globalisationandcities.com/uploads/1/3/1/6/131607174/jilaxafufusekiw.pdfIn PDF document text
- http://files.mrgatewoodcody.com/uploads/1/3/1/0/131070289/gililegaxepajilu.pdfIn PDF document text
- http://files.4arrowsoutdoors.com/uploads/1/3/0/8/130814672/1910526.pdfIn PDF document text
- http://files.thehealthyroot.com/uploads/1/3/1/3/131383645/66cfb0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://maforebe.files.wordpress.com/2020/06/busaditunarelizira.pdfIn PDF document text
- https://vigupowiri.files.wordpress.com/2020/06/wabilikolamu.pdfIn PDF document text
- https://doxurare.files.wordpress.com/2020/06/92807842131.pdfIn PDF document text
- https://bobiresa372961564.files.wordpress.com/2020/07/wadibiwipi.pdfIn PDF document text
- https://kavugas.files.wordpress.com/2020/07/gomabegobim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wajumibuxup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90554838216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.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_off00009542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9542 | 5872 bytes |
SHA-256: fdf934590ac0eb5f3a99140fdddb0db627a16723f02925584dffc2ef48127cc0 |
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font_01_sfnt_off0000a975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA975 | 5000 bytes |
SHA-256: 5ca18a681dabe968c6bbd96423300b97c7360c4d7932cfd6c9098e8e13fb3c04 |
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font_02_sfnt_off0000ba77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA77 | 11584 bytes |
SHA-256: b7dfb8e9cc11b62fe74eeb7de423b26eae8e468ef9bd0bcff7ad7135bcbe20c5 |
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