MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm disguised as research papers, with the primary link directing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains text related to 'methods of data analysis' and the wkhtmltopdf tool, suggesting a lure to download further malicious content.
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.com/pify?keyword=methods+of+data+analysis+in+quantitative+research+pdf
- http://files.redmountaincommunity.com/uploads/1/3/2/6/132681670/7041394.pdf
- http://files.englishmadeeasy.es/uploads/1/3/1/6/131637226/3936f482d93ea.pdf
- http://vipado.rootsquaredphotography.com/uploads/1/3/2/8/132814194/141d217.pdf
- http://files.dyanetwork.org/uploads/1/3/0/7/130739883/7998461.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/vibinireloxevivuvelurepit.pdf
- https://cdn.shopify.com/s/files/1/0433/9128/7461/files/74277030419.pdf
- https://cdn.shopify.com/s/files/1/0435/2701/2507/files/bohemian_rhapsody_partitura_piano_completa.pdf
- https://cdn.shopify.com/s/files/1/0435/6525/2771/files/mario_benedetti_corazon_coraza.pdf
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/bulavup.pdf
- https://cdn.shopify.com/s/files/1/0449/4403/1899/files/free_to_word_converter_software_download_full_version.pdf
- https://cdn.shopify.com/s/files/1/0429/8119/5927/files/xaxufitoxixesuxite.pdf
- https://cdn.shopify.com/s/files/1/0431/1243/1776/files/vevasatoginosijam.pdf
- https://cdn.shopify.com/s/files/1/0447/6734/6839/files/english_questions_for_conversation.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066c5.binc22b4f134fdb82bb77a55df87d0161428ae80542a81e19c5b549fc98caa82f02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66C5 | 5536 bytes |
font_01_sfnt_off000079a9.binb3be5c9a62e08ffb4a3bcb535c9a86e9cf5f3e295ae0f31d96e8cf5f8db210de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A9 | 9952 bytes |
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