MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL 'https://ttraff.ru/pify?keyword=arrondir+un+nombre+d%25C3%25A9cimal+exercices+cm2+pdf' is a key indicator of this redirection. The document body, though heavily obfuscated, contains this URL and other links, suggesting a lure to a malicious site. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=arrondir+un+nombre+d%25C3%25A9cimal+exercices+cm2+pdf In PDF document text
- http://files.realtalkusvi.com/uploads/1/3/1/3/131381021/7773983.pdfIn PDF document text
- http://tufimetel.bluegroovestudios.com/uploads/1/3/0/8/130814297/sitipitopedori.pdfIn PDF document text
- http://bapej.rudygdesign.com/uploads/1/3/2/6/132681670/1586011.pdfIn PDF document text
- http://files.structuralbodyworkhawaii.com/uploads/1/3/0/8/130814676/7533921.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7319/1580/files/93539330645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9849/6412/files/11324126000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1959/9004/files/99060978947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5989/5717/files/formulas_functions_in_microsoft_excel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9717/7768/files/tapabugogobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/mapa_acupuntura_auricular.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/71516416087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5746/9845/files/medobupabezuliduzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2931/4206/files/rabeguzobegokexotesexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8801/1673/files/business_meeting_agenda_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8713/4882/files/jiwesobuderupigelev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4555/2277/files/mijoxiwatasuvabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0612/2393/files/gofojibomifapesovo.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_off000069c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C9 | 5772 bytes |
SHA-256: 577c437969f57355168e2c3e73e91606493cb982f6d891fad8bf4919b4095432 |
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font_01_sfnt_off00007d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D18 | 11912 bytes |
SHA-256: a0e2106f4fb0060c6180e11dfbf2ebdb9c99f035f8987870bbec6c8d4433ca15 |
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