MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a prominent link that, when clicked, directs to a malicious redirector infrastructure. This infrastructure is likely used to host or deliver further malicious content, such as malware or phishing pages, under the guise of a software download. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of a link farm designed for SEO manipulation to attract victims.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=audacity++free+full+version+with+crack
- http://kolobaga.briana-jenae.com/uploads/1/3/1/3/131379578/xazuviginuvosib-nodoxelagajolad.pdf
- http://kogofaxe.dianastarr.ca/uploads/1/3/1/3/131384600/650814.pdf
- http://files.worcesterdogs.co.uk/uploads/1/3/2/8/132814791/3600534.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/1378/2173/files/zerisavuganiwizilifixe.pdf
- https://cdn.shopify.com/s/files/1/0434/3765/4178/files/23345935007.pdf
- https://cdn.shopify.com/s/files/1/0430/2041/9226/files/psc_bulletin_december_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/0319/1193/files/avian_influenza.pdf
- https://cdn.shopify.com/s/files/1/0456/8616/1567/files/movie_company_intro_template.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/stock_market_holidays_2016_usa.pdf
- https://cdn.shopify.com/s/files/1/0430/0200/3619/files/kesateboxorozuk.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/vegisomerugunuparopuve.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b4c.bin159a6799c287f74bd464983568c11f605afd5d30ec891aaacf31ac3f0986cc78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B4C | 5416 bytes |
font_01_sfnt_off00007dc5.bin15f0e36ef75197a0df6500cbe53500e50227a1bcd8e79cf87b9d9654ff122aac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DC5 | 9968 bytes |
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