MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links to other PDF files hosted on various domains, a technique often used for SEO spam or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. The embedded links suggest a content-luring or redirection strategy, potentially leading users to phishing sites or malware downloads.
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://wcd-jtdgd98u.mgh-r.ch/uploads/1/3/0/4/130477455/130477455.html#cartesian+and+polar+coordinates+difference
- http://swimforyourlife.org/uploads/1/3/0/5/130588346/6775025.pdf
- http://cowle.de/uploads/1/3/0/6/130620337/sosejilezavasiwebuna.pdf
- http://mail.evanstacythrelfall.com/uploads/1/3/0/7/130740089/kereli_jasutula_libate.pdf
- http://cathysongyoga.com/uploads/1/3/0/5/130538869/wupit_podutovanoto_pobasejepur_pirosowoxofarap.pdf
- http://fetesetevenementsspeciaux.com/uploads/1/3/0/4/130488399/tavasegenoxebaj.pdf
- http://prismnpo.org/uploads/1/3/0/7/130775436/a07a9.pdf
- http://bayleymichaud.com/uploads/1/3/0/5/130545698/a7c733e6dadf5.pdf
- http://number120designs.com/uploads/1/3/0/6/130621022/8744dd79ea.pdf
- http://bibamate.com/uploads/1/3/0/6/130620475/vaweruzuripineniguwo.pdf
- http://www.ciaobellawilliamstown.com/uploads/1/3/0/6/130604520/3f148c19.pdf
- http://michelewestlaken.com/uploads/1/3/0/6/130621959/c2f992425baaf0.pdf
- http://michelevevang.com/uploads/1/3/0/3/130313480/bolisi.pdf
- http://www.pantherfightteam.com/uploads/1/3/0/6/130620921/vojilemef.pdf
- http://nordicwarriortraining.com/uploads/1/3/0/5/130543685/raweka_tiregefotu_tufega_gajupa.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008a71.bin6bf6500de623f7f7bc92ec4bbd14b74cce5636eba367d8228d9c1231a8fe5fa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A71 | 9736 bytes |
font_01_sfnt_off0000af23.bin6444857d212d59486fd2460beb5c880fa69f0bd6d5b47f81c4ff3eb2e0ed9607 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF23 | 3432 bytes |
font_02_sfnt_off0000bb3c.bin779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3C | 16036 bytes |
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