MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to medical terms and the wkhtmltopdf tool, suggesting a lure. The primary intent appears to be directing users to a vast network of linked PDF files hosted on various domains, likely for SEO spam or to distribute further malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://prophetesstonya.org/uploads/1/3/1/1/131163864/131163864.html#anemia+sideroblastica+diagnostico+pdf
- http://chefnaces.com/uploads/1/3/1/4/131437969/2045830.pdf
- http://thenthterm.com/uploads/1/3/1/4/131407292/laxafono_labekewulezon_mukedumapinadez.pdf
- http://projectvoicescarry.com/uploads/1/3/0/2/130272281/muzip.pdf
- http://mail.phnompenhtattoo.com/uploads/1/3/0/6/130621457/sakesediwe.pdf
- http://golaganda.org/uploads/1/3/0/8/130874451/moxaset.pdf
- http://ipatio.org/uploads/1/3/0/4/130490602/xopoz.pdf
- http://adonaicontractorsllc.com/uploads/1/3/1/6/131636890/tuwisiran.pdf
- http://donnamalonescience.com/uploads/1/3/0/9/130969331/bb298.pdf
- http://whitmanmerrill.net/uploads/1/3/0/7/130739396/9215022.pdf
- http://adayinthelifeofmack.com/uploads/1/3/0/8/130814351/nesuwalibugetinosiz.pdf
- http://loveistheevidence.com/uploads/1/3/0/5/130543240/pipobulujabezun-xogefonur-muresog.pdf
- http://own-kc.org/uploads/1/3/0/5/130543552/julat.pdf
- http://beradumata.org/uploads/1/3/0/9/130969722/c3ccad88837fa7.pdf
- http://prophetesstonya.org/uploads/1/3/1/1/131163864/terms.html
- http://prophetesstonya.org/uploads/1/3/1/1/131163864/dmca.html
- http://prophetesstonya.org/uploads/1/3/1/1/131163864/policy.html
- https://xesebikedu.files.wordpress.com/2020/06/45347900987.pdf
- https://ninolukubo.files.wordpress.com/2020/06/93862444881.pdf
- https://vorosatigeb.files.wordpress.com/2020/06/96537489472.pdf
- https://bivuwid.files.wordpress.com/2020/06/sowogilurovijukojo.pdf
- https://zunuxav.files.wordpress.com/2020/06/58192932930.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/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050ec.bin65f3c1dd6f333a507465895c692291a1d8f9ac40122718e5a6161b4b515dd5f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50EC | 9460 bytes |
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