MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded links, many of which point to disposable domains and redirectors. The ML classifier strongly indicated maliciousness, and one URL is explicitly flagged as a malicious redirector. This suggests the document's primary purpose is to lead users to malicious sites, likely 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.ru/wb?keyword=primitive%20skills%20and%20crafts%20pdf In PDF document text
- http://files.mustbefrenchies.com/uploads/1/3/1/4/131437880/saroxolufoni.pdfIn PDF document text
- http://files.kielbasablog.com/uploads/1/3/1/3/131382141/8919209.pdfIn PDF document text
- http://files.scrapbookconciergedigital.com/uploads/1/3/0/8/130813897/6317370.pdfIn PDF document text
- http://files.purpleinkpublishing.com/uploads/1/3/1/4/131437844/mikofoxaxomojope.pdfIn PDF document text
- http://files.southlyoneastboysbasketball.com/uploads/1/3/0/7/130739926/nifukekuxawofix.pdfIn PDF document text
- http://files.torreychambermusic.com/uploads/1/3/1/3/131379381/eaa6407ce7e2.pdfIn PDF document text
- http://files.mayusilkart.org/uploads/1/3/1/3/131383664/2245704.pdfIn PDF document text
- http://files.sparkmanconsulting.com/uploads/1/3/1/4/131438629/74671815bb508f.pdfIn PDF document text
- http://files.paulsfranchiseleague.com/uploads/1/3/1/4/131438249/kabuvoxije_kuvorenuzixuw_raxejusub.pdfIn PDF document text
- http://files.laboniteca.com/uploads/1/3/0/8/130813516/e0fdd9.pdfIn PDF document text
- http://files.didsburyjuniors.com/uploads/1/3/2/6/132681824/maxipupamekep.pdfIn PDF document text
- http://files.marktwainmapleworks.com/uploads/1/3/1/1/131163635/9009074.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://segumivez.files.wordpress.com/2020/07/pejuvetipufaseraxoni.pdfIn PDF document text
- https://pajovoxexula.files.wordpress.com/2020/07/26978634513.pdfIn PDF document text
- https://duvuzeso.files.wordpress.com/2020/06/22757558204.pdfIn PDF document text
- https://fisajisekik.files.wordpress.com/2020/06/rabedolafekep.pdfIn PDF document text
- https://mutemugefe326949004.files.wordpress.com/2020/06/dopurem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78549170372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pegumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bijuwosozawubuvenokuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.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_off00008018.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8018 | 5104 bytes |
SHA-256: 2e4217e01d65ede3b9ffd37fb4e71498f3235375e42c8a870710861251ad4faa |
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font_01_sfnt_off0000915c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x915C | 10060 bytes |
SHA-256: 678537cd1ee285b3a3f798529d5adc495d8c314fe0647d31dcdcbcb1e8213ff1 |
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