MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of the primary links directs users to a known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the URL that leads to the malicious redirector.
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=plant+cell+structure+and+their+functions+pdf
- http://files.bremermountainbaskets.com/uploads/1/3/0/8/130874422/3473407.pdf
- http://files.cshanice.com/uploads/1/3/1/3/131398095/3a992d0.pdf
- http://files.obchaymarket.org/uploads/1/3/2/7/132740949/3445403.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/77769376743.pdf
- https://cdn.shopify.com/s/files/1/0430/9847/2605/files/47899013449.pdf
- https://cdn.shopify.com/s/files/1/0429/0890/9734/files/95087966613.pdf
- https://cdn.shopify.com/s/files/1/0440/4995/7029/files/78705741317.pdf
- https://cdn.shopify.com/s/files/1/0439/0181/2904/files/jetsons_theme_song_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0438/8562/5499/files/vibration_of_cantilever_beam.pdf
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/kezaj.pdf
- https://cdn.shopify.com/s/files/1/0433/2329/3864/files/2207815701.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovetutokukike.pdf
- https://cdn.shopify.com/s/files/1/0428/2544/9628/files/78831710642.pdf
- https://cdn.shopify.com/s/files/1/0433/2329/3864/files/statistical_quality_control_rc_gupta_free_download.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_off00007564.bin204448a90b56b784f0888f8f627116954e00aaf0472ad008fbd7b56cef7b224b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7564 | 5244 bytes |
font_01_sfnt_off00008730.binb115159450b727c2b189ba35527dcd7b89547ded9e9539a89847d52540a612d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8730 | 10076 bytes |
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