MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, a common technique for SEO poisoning or directing users to malicious content. The document body contains a message that appears to be a lure, referencing a connection issue with Samsung, and embedding a URL that leads to a potentially malicious HTML file. The heuristic firings confirm the presence of a link farm and external URIs, indicating a likely attempt to redirect the user to a compromised or malicious site.
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://teddy71.org/uploads/1/3/0/5/130550774/130550774.html#reg90+unable+to+connect+samsung PDF link annotation
- http://lakeharborfinancial.com/uploads/1/3/0/9/130968917/34735.pdfIn PDF document text
- http://gomii.xyz/uploads/1/3/0/7/130776850/sonuzasejuwodozed.pdfIn PDF document text
- http://koolcurvess.com/uploads/1/3/0/5/130544703/pegiwazituvan_sojuferedozit.pdfIn PDF document text
- http://independentcountrymusichalloffame.com/uploads/1/3/1/4/131454027/vapije-maxakubaz-sovabonodo.pdfIn PDF document text
- http://lionfoundation.net/uploads/1/3/0/7/130739131/tewerixake.pdfIn PDF document text
- http://unitedcore.org/uploads/1/3/0/5/130539599/54cbca4f1b.pdfIn PDF document text
- http://course-group.com/uploads/1/3/0/6/130640009/3461490.pdfIn PDF document text
- http://middlingsort.com/uploads/1/3/0/7/130775734/tivax_nunabaziwirim_paguvo.pdfIn PDF document text
- http://southshorenotary.com/uploads/1/3/1/3/131382395/6111562.pdfIn PDF document text
- http://www.katie-lindsey.com/uploads/1/3/0/6/130604630/xazib_kenol_zunagavogeba.pdfIn PDF document text
- http://lucasconstruction.business/uploads/1/3/0/2/130272804/1355764.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
🗂 Part of campaign:
course-group.com
3 samples
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D0 | 7576 bytes |
SHA-256: 36bf627b300a712d02e313e12918f9d43a15640ecab0665cb89cd7c47da14975 |
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