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 link farm designed for SEO manipulation. One prominent link redirects to a malicious URL, suggesting an attempt to lead the user to a compromised site or phishing page. The ML classifier also strongly indicated maliciousness.
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=mathematical+biology+textbook+pdf
- http://files.mccombwholesale.com/uploads/1/3/0/8/130874523/66696087308b750.pdf
- http://files.leeandpoon.com/uploads/1/3/1/1/131163507/gumogipapose.pdf
- http://files.makingmathmiracles.com/uploads/1/3/2/7/132710786/9520723.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6305/8333/files/29095924256.pdf
- https://cdn.shopify.com/s/files/1/0435/1341/3786/files/nuvudupinadivomuk.pdf
- https://cdn.shopify.com/s/files/1/0431/6830/1212/files/2216763961.pdf
- https://cdn.shopify.com/s/files/1/0440/8265/9493/files/nevixoza.pdf
- https://cdn.shopify.com/s/files/1/0430/5344/9367/files/98604112024.pdf
- https://cdn.shopify.com/s/files/1/0431/4991/8374/files/zawerojapawejo.pdf
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/mapogoroda.pdf
- https://cdn.shopify.com/s/files/1/0434/6655/5557/files/74364728918.pdf
- https://cdn.shopify.com/s/files/1/0433/7015/2088/files/jawesadiratibopibulutafo.pdf
- https://cdn.shopify.com/s/files/1/0435/2229/3920/files/90219993765.pdf
- https://cdn.shopify.com/s/files/1/0440/1774/6070/files/jotikovenusukiworid.pdf
- https://cdn.shopify.com/s/files/1/0432/7328/9894/files/abandono_infantil_en_el_peru.pdf
- https://cdn.shopify.com/s/files/1/0434/6337/7048/files/kupevajefi.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/jasekojekeza.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_off0000668c.binef96e2883cf1688ad424ad6317b8e404958bd173fd0ef8b05399dd56df36b9a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668C | 5672 bytes |
font_01_sfnt_off000079da.bin6eb32ed39a970b49f7452ab8a4321f473fba34ff9d4af4415180df11f453f944 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DA | 10832 bytes |
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