MALICIOUS
96
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, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains text related to 'Quality center pdf tutorial' and 'wkhtmltopdf', indicating a lure to a website. The primary heuristic 'PDF_SEO_LINK_FARM' strongly suggests this is a malicious PDF designed to redirect users to potentially harmful content via a network of generated links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://sleepysteps.com/uploads/1/3/0/8/130815482/130815482.html#quality+center+pdf+tutorial PDF link annotation
- http://wildmushroom.org/uploads/1/3/0/7/130776529/lusowexinir.pdfIn PDF document text
- http://cameronstish.com/uploads/1/3/0/6/130639557/nogup.pdfIn PDF document text
- http://nilesrs.com/uploads/1/3/1/4/131411199/1368640.pdfIn PDF document text
- http://rachelcooksketo.com/uploads/1/3/0/6/130639764/d5cd86d2.pdfIn PDF document text
- http://currypoint.net/uploads/1/3/0/6/130604249/fixigibukumunarab.pdfIn PDF document text
- http://viequesrentalwithviews.com/uploads/1/3/0/7/130738507/e38143e.pdfIn PDF document text
- http://charlottetow.net/uploads/1/3/1/1/131163643/xerupakibudinax.pdfIn PDF document text
- http://mta-sts.mx.tatatomic.com/uploads/1/3/0/3/130379864/xuberuberetisud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007751.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7751 | 5016 bytes |
SHA-256: 725678a6cc8b307203b58500ede27f0d5b3f04e687873604db70b5c52c2af5e3 |
|||
font_01_sfnt_off0000886e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886E | 10732 bytes |
SHA-256: 3379e13da01e2c7d3f61040f00d6aabce9d3fda0bef96bca7cc8d270430f82cb |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.