MALICIOUS
94
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, forming a link farm. The primary URL points to a page with exercises, but the majority of the links lead to other PDF files on various domains, suggesting a SEO spam or redirection tactic. The ML classifier strongly indicated maliciousness, supporting the interpretation of this link farm as a malicious distribution or redirection mechanism.
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://islamophoria.com/uploads/1/3/1/0/131070279/131070279.html#ejercicios+para+abdominales+y+piernas
- http://clockworkcatdesigns.com/uploads/1/3/0/7/130739297/repajoler-nitibuvam-zaxijosanaw.pdf
- http://nude-portraits.com/uploads/1/3/1/4/131452961/c9b6664f2.pdf
- http://cbd2door.shop/uploads/1/3/0/3/130323647/lidonotom.pdf
- http://powell-river-sd47-intl-edu.com/uploads/1/3/0/5/130588586/mazuwo.pdf
- http://legacyfellowship.net/uploads/1/3/1/3/131398504/551ff01fe39debc.pdf
- http://lizrnewman.net/uploads/1/3/0/6/130639592/lekebat.pdf
- http://ishasushi.com/uploads/1/3/0/5/130547624/fudirorubu.pdf
- http://morestyle.com.au/uploads/1/3/1/4/131438604/7189768.pdf
- http://madamemodica.com/uploads/1/3/0/2/130292014/f528a52.pdf
- http://partingshotphotography.com/uploads/1/3/0/7/130739648/tigorenimukonugamo.pdf
- http://beingmadewholeblog.com/uploads/1/3/0/6/130605176/jewatexibulabutegas.pdf
- http://silverhandpickups.com/uploads/1/3/0/7/130775980/falex.pdf
- http://karinmoser.com/uploads/1/3/1/3/131383665/dojudewug-sumokinot-gibodibetok.pdf
- http://ellewells.com/uploads/1/3/0/6/130604458/pepofizi.pdf
- http://doyouhaverland.org/uploads/1/3/0/5/130543020/suwuvunazaku.pdf
- http://brothersnblue.com/uploads/1/3/0/3/130323967/ridivojutawubad-kobexirupefa.pdf
- http://nasumo.com/uploads/1/3/0/7/130740084/xuxekinubev.pdf
- http://james-ma.com/uploads/1/3/0/6/130604151/611014.pdf
- http://angiecoxcounseling.com/uploads/1/3/0/2/130287278/5592305.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_off0000841d.bin70949e3305ef70a231af598555cb4a452630fe56c4ca4546f738ea9edfc95604 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x841D | 8488 bytes |
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