MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'physically based rendering' and a URL that appears to be part of a link farm designed to attract traffic. The presence of a malicious redirector and a large number of external links strongly suggests an attempt to direct users to potentially harmful websites.
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=physically+based+rendering+pdf+free
- http://files.botarlaszlo.com/uploads/1/3/1/3/131397950/4405481.pdf
- http://gumuf.graceumchurch.org/uploads/1/3/0/7/130776031/8796245.pdf
- http://files.whistlingfrogresort.com/uploads/1/3/2/6/132681002/masaberilanimubaloji.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9282/8579/files/70058494938.pdf
- https://cdn.shopify.com/s/files/1/0432/7777/9100/files/las_frases_mas_comunes_en_ingles.pdf
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/58394549262.pdf
- https://cdn.shopify.com/s/files/1/0435/4772/1892/files/microbiologia_veterinria_dwight.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/tasopurawasiv.pdf
- https://cdn.shopify.com/s/files/1/0434/7500/9696/files/calligraphy_practice_sheets_tombow.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73807437975.pdf
- https://cdn.shopify.com/s/files/1/0429/7284/0090/files/kajelisad.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/33780503476.pdf
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/jusopad.pdf
- https://cdn.shopify.com/s/files/1/0436/1384/7710/files/tanezutuwodejukunurabidu.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_off00007ceb.bincb80578d11676b4065cea2dd6cb566cd40fe18d8ffa23273e82e1aa55032577d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CEB | 5660 bytes |
font_01_sfnt_off00009014.binaaada90f362392577e127202d3c7383725a74c668ef5beee967346347c2d6122 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9014 | 10468 bytes |
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