MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1598.003 Subvert Control Systems
The PDF contains a large number of external links, many of which point to other PDF files with numeric slugs, indicative of a link farm or SEO abuse. The 'SE_CLICKFIX' heuristic suggests the document may attempt to trick the user into executing commands, possibly to bypass macro restrictions. The primary attack pattern involves directing users to a series of linked PDF documents hosted on various domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 5
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://agrudjr.com/uploads/1/3/0/6/130639254/130639254.html#para+que+sirve+el+comando+nslookup PDF link annotation
- http://netthenumbers.com/uploads/1/3/0/7/130775341/jakazoretokusenam.pdfIn PDF document text
- http://livingwaterupc.org/uploads/1/3/0/7/130775540/970378.pdfIn PDF document text
- http://megjhunter.com/uploads/1/3/0/9/130969310/mifet-nagobiz-kusudag-morutak.pdfIn PDF document text
- http://naturesobservatory.com/uploads/1/3/0/2/130288710/8929995.pdfIn PDF document text
- http://birthnaturallyri.com/uploads/1/3/1/1/131164421/lavabuperiwupi-tojixapi-javatadal.pdfIn PDF document text
- http://belairunitingchurch.org/uploads/1/3/1/4/131438888/tifun.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ac0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC0 | 9240 bytes |
SHA-256: 3a706d8e1edd567bc4a74eef199c7273001640a73a48b33da2caa794b928d194 |
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font_01_sfnt_off00008c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C83 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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