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 point to other PDF files on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a malicious intent to manipulate search engine results or redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body is heavily obfuscated, but the pattern of link farming is indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://resilience-ventures.com/uploads/1/3/1/3/131384605/131384605.html#charm+horn+gungeon
- http://hearttim.org/uploads/1/3/1/6/131636602/midesi-vasifobogare-wifis-weboruke.pdf
- http://mentalhealthdays.org/uploads/1/3/0/6/130604430/powofixow-vaxojisonazabax-litabadifewedom.pdf
- http://28y.undesirable.us/uploads/1/3/0/2/130270985/gixezemogatidap.pdf
- http://resilience-ventures.com/uploads/1/3/1/3/131384605/terms.html
- http://resilience-ventures.com/uploads/1/3/1/3/131384605/dmca.html
- http://resilience-ventures.com/uploads/1/3/1/3/131384605/policy.html
- https://suxepisumeb.files.wordpress.com/2020/06/nepezinodudujisifowizul.pdf
- https://nogilofonula.files.wordpress.com/2020/06/regajuxipajuxa.pdf
- https://xekukox.files.wordpress.com/2020/06/xirugikupub.pdf
- https://tamitiliredu.files.wordpress.com/2020/06/fifopazusoromozawej.pdf
- https://zezupid.files.wordpress.com/2020/06/63870330417.pdf
- https://mixusobaso.files.wordpress.com/2020/06/11226647440.pdf
- https://maforebe.files.wordpress.com/2020/06/30715066271.pdf
- https://dokazadi.files.wordpress.com/2020/06/25065139991.pdf
- https://bedifixovid334311393.files.wordpress.com/2020/06/woxakajofupolixaporupofon.pdf
- https://fipabimedimi.files.wordpress.com/2020/06/43299568185.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_off0000509e.bin1d74fa6283766cdb104c443d7a0b0305cbb6f1ebb706f30c30e06a25b3bd2cbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x509E | 9676 bytes |
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