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 a redirector service known for malicious activity. The primary redirect URL is designed to lure users into downloading a PDF by disguising it as a free anatomy drawing guide. While no scripts were directly extracted, the PDF structure and link farm heuristic strongly suggest an attempt to lead users to malicious 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.cc/pify?keyword=anatomy+drawing+school+human+animal+comparative+anatomy+pdf+free+download
- http://files.colinlamb.com/uploads/1/3/0/7/130775434/a43594483a.pdf
- http://besozip.leeannewright.com/uploads/1/3/1/6/131606490/769410.pdf
- http://files.soilihuhtakallio.com/uploads/1/3/1/3/131379899/2bd2d87.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/3259/8938/files/hepatic_encephalopathy_guidelines_2020.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/46814485477.pdf
- https://cdn.shopify.com/s/files/1/0436/8292/2646/files/85005440643.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/87919260388.pdf
- https://cdn.shopify.com/s/files/1/0428/4760/0796/files/24251372707.pdf
- https://cdn.shopify.com/s/files/1/0436/2479/2224/files/43227143431.pdf
- https://cdn.shopify.com/s/files/1/0440/2823/1830/files/naruto_tabletop_rpg.pdf
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/lament_configurum_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0429/1005/6615/files/61502875924.pdf
- https://cdn.shopify.com/s/files/1/0432/7620/6235/files/kofowolexod.pdf
- https://cdn.shopify.com/s/files/1/0432/1535/6067/files/immersive_patrols_sse.pdf
- https://cdn.shopify.com/s/files/1/0440/7430/3640/files/amc_10b_2014.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_off000065a9.binba5e2aae7a4225d80abe76c2c3412c223250b8f3c2a12194628b9d735a9127b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A9 | 5812 bytes |
font_01_sfnt_off00007970.bind59bf72d24ebbf4fb1a132fd180394a1cd191f7eaa6fe80f51e33cd54b636aed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7970 | 10024 bytes |
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