MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to external PDF files, constituting a link farm. One of the primary links directs to a known malicious redirector, indicating a phishing or scam 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=russian+english+dictionary+of+verbal+collocations+pdf
- http://files.jokerentertain.com/uploads/1/3/0/8/130814784/3342286.pdf
- http://files.awhillans.com/uploads/1/3/1/4/131483371/doxivotujizarag-busokugiratevus-gajavomizedubed.pdf
- http://files.evavoutsaki.com/uploads/1/3/2/6/132682471/nefaburusijes_tilorad.pdf
- http://files.terraobscura.net/uploads/1/3/0/7/130740257/4486629.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0712/3357/files/appraisal_form_216.pdf
- https://cdn.shopify.com/s/files/1/0450/6845/1992/files/animal_tissue_culture.pdf
- https://cdn.shopify.com/s/files/1/0430/5358/0439/files/28046666212.pdf
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/tekubopodubixaf.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29121996303.pdf
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/74386013360.pdf
- https://cdn.shopify.com/s/files/1/0429/2172/2015/files/wogodum.pdf
- https://cdn.shopify.com/s/files/1/0435/7062/6723/files/put_animated_gif_in.pdf
- https://cdn.shopify.com/s/files/1/0429/4580/6503/files/gimekoxusivifajon.pdf
- https://cdn.shopify.com/s/files/1/0432/5349/8014/files/71858052278.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_off00007d71.bin9342cd384c36120a32461741060000d49e85876719a12ed53dd63098333f92ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D71 | 5724 bytes |
font_01_sfnt_off000090f9.binc9ced234884b964dec5909f70e7ab2384eef5ab877dd091a191a07af5ab22ec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90F9 | 10316 bytes |
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