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 hosted on similar domains. The document body, though partially corrupted, contains a URL that appears to be a lure for educational content. This suggests a link farm or SEO poisoning tactic to drive traffic to potentially malicious sites. No scripts were extracted from this sample.
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://masonleigh.com/uploads/1/3/1/3/131380717/131380717.html#10+ejemplos+de+lenguaje+com%C3%BAn+a+lenguaje+algebraico PDF link annotation
- http://worldoftrading.net/uploads/1/3/0/5/130545249/dusomugolonobam-gojegidebebefep.pdfIn PDF document text
- http://confusionvegezgourmet.com/uploads/1/3/0/2/130272472/5331306.pdfIn PDF document text
- http://www.later-life-living.com/uploads/1/3/0/8/130813428/1613892.pdfIn PDF document text
- http://webmail.aliamphoto.com/uploads/1/3/0/5/130539637/bc1409b3d.pdfIn PDF document text
- http://webdisk.grewbuilding.com/uploads/1/3/0/5/130589431/xubomo.pdfIn PDF document text
- http://modtone.net/uploads/1/3/0/2/130289347/b3b8153400dd4.pdfIn PDF document text
- http://bianxingjingangzhenren.br3h.com/uploads/1/3/0/4/130436172/foxekiwato.pdfIn PDF document text
- http://radiowave1.com/uploads/1/3/0/7/130775658/52a2ce7046580.pdfIn PDF document text
- http://www.pauldsolovay.com/uploads/1/3/0/2/130272571/vejivenid.pdfIn PDF document text
- http://healthhacks.blog/uploads/1/3/1/3/131379397/f433b40.pdfIn PDF document text
- http://mitsubishisplitac.com/uploads/1/3/0/5/130551692/612a44c1354e0.pdfIn PDF document text
- http://ipaintdfw.com/uploads/1/3/0/5/130550697/zamaf.pdfIn PDF document text
- http://tassin-inspired-designs.com/uploads/1/3/0/2/130270904/46531.pdfIn PDF document text
- http://safecleanasc.com/uploads/1/3/0/7/130775959/ripuxewotu_rokejubum.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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000745c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x745C | 10108 bytes |
SHA-256: 992953f24786e889f13ba06a2664acddf96f9688a10e2f74a2d98f551357a305 |
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