MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to redirector infrastructure or unknown domains, suggesting a link farm or phishing campaign. The ML classifier also strongly indicated maliciousness. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious document designed to lead users to harmful sites.
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.cc/pify?keyword=nips+2020+accepted+papers+pdf
- http://files.bozhenaevanstherapy.com/uploads/1/3/1/1/131163780/303727.pdf
- http://files.vancouver604.ca/uploads/1/3/0/7/130740249/kelufozizilage-jorolujibevaken-digujezoje-kojotekikonep.pdf
- http://files.pixiedustmagictravel.com/uploads/1/3/2/6/132681440/7f5119fab91.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/7491/0376/files/99549054025.pdf
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/jojuwowupijitagina.pdf
- https://cdn.shopify.com/s/files/1/0437/3417/1800/files/womomolamelubaserobuto.pdf
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/4682342232.pdf
- https://cdn.shopify.com/s/files/1/0429/5059/0627/files/junafutorikabikafajazet.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27392185694.pdf
- https://cdn.shopify.com/s/files/1/0435/5106/4228/files/62470444712.pdf
- https://cdn.shopify.com/s/files/1/0439/1721/3851/files/muriwurim.pdf
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/22752384374.pdf
- https://cdn.shopify.com/s/files/1/0434/3224/7457/files/soporagixalari.pdf
- https://cdn.shopify.com/s/files/1/0437/0232/1307/files/85944396035.pdf
- https://cdn.shopify.com/s/files/1/0431/2639/0946/files/firezunimekufuvudif.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_off0000a1ea.bina9862c57a6e794d43429cb9f42cdd9e5a04a1764bbbf422be5d4d554463abbe5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1EA | 4932 bytes |
font_01_sfnt_off0000b2bb.binb09cbe3f3ce6de6006aa358ffe1fb41e50696d5d6c5b6aa039be5598cb3d4138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BB | 15668 bytes |
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