MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One prominent link directs to a known malicious redirector, suggesting a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful 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=easl+cirrhosis+guidelines+2020+pdf
- http://files.nanolab.info/uploads/1/3/1/3/131379749/befuraxigufero.pdf
- http://files.redmondmathblog.com/uploads/1/3/2/3/132302923/8512698.pdf
- http://files.mrsrussellsclassroom2018.com/uploads/1/3/0/8/130815664/kimonerukutori_ginabaximibu.pdf
- http://files.knealenotarypublic.co.uk/uploads/1/3/1/4/131437225/dd0b561683.pdf
- http://files.pineridgereconciliationcenter.org/uploads/1/3/1/4/131437626/4139082.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/geturimowetowikivipaxag.pdf
- https://cdn.shopify.com/s/files/1/0430/8389/0850/files/87575432187.pdf
- https://cdn.shopify.com/s/files/1/0445/5071/7604/files/rocky_horror_picture_show_soundtrack.pdf
- https://cdn.shopify.com/s/files/1/0441/0041/9736/files/72075018813.pdf
- https://cdn.shopify.com/s/files/1/0434/5102/3526/files/nesarevozafigi.pdf
- https://cdn.shopify.com/s/files/1/0432/5516/9182/files/pandas_remove_nan.pdf
- https://cdn.shopify.com/s/files/1/0431/8704/4510/files/emuparadise_workaround_script.pdf
- https://cdn.shopify.com/s/files/1/0432/6745/7188/files/90758366961.pdf
- https://cdn.shopify.com/s/files/1/0430/6881/7569/files/76182053209.pdf
- https://cdn.shopify.com/s/files/1/0431/8950/2110/files/90360043112.pdf
- https://cdn.shopify.com/s/files/1/0431/6486/0575/files/36710619892.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_off0000629f.bind097cb5328dad01f4e42693b069b1ef6f03f5f0d3933ab7d05bc68c2e2084e30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629F | 5648 bytes |
font_01_sfnt_off000075d5.binbff646d57c0d9815e9c6d3e1a70f016d603f1955e60689127d606d281d48ee3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D5 | 10432 bytes |
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