MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many of which point to other PDFs hosted on various domains. The primary URL, http://74-123-72-53.mgwnet.com/uploads/1/3/0/9/130969403/130969403.html#f+test+anova+table+pdf, appears to be a lure to disguise the malicious intent. The ML classifier strongly indicates maliciousness, and the PDF structure suggests a link farm designed to distribute further malicious content or phish users.
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://74-123-72-53.mgwnet.com/uploads/1/3/0/9/130969403/130969403.html#f+test+anova+table+pdf PDF link annotation
- http://www.autoimmunejourney.org/uploads/1/3/0/5/130541950/vuwifixud.pdfIn PDF document text
- http://kristenfong.info/uploads/1/3/0/3/130323765/julowitinobo.pdfIn PDF document text
- http://mail.ryanbrownmusic.com/uploads/1/3/1/0/131070334/1021920.pdfIn PDF document text
- http://grasshoppersprings.com/uploads/1/3/0/2/130270985/vivimanurita.pdfIn PDF document text
- http://foreclosedtnhomes.com/uploads/1/3/0/5/130589198/fiwiz.pdfIn PDF document text
- http://valcom.tv/uploads/1/3/0/6/130622042/8597775.pdfIn PDF document text
- http://hostmaster.lula.site/uploads/1/3/0/6/130620966/9594747.pdfIn PDF document text
- http://writersink85.com/uploads/1/3/0/7/130739663/6635221.pdfIn PDF document text
- http://hillbillynationalbank.com/uploads/1/3/0/8/130813738/jetitekipeje-pubebizok-mewudidivibe-rugikoral.pdfIn PDF document text
- http://cardeocreative.com/uploads/1/3/0/7/130775047/23928813f78386.pdfIn PDF document text
- http://vreedy.shop/uploads/1/3/0/7/130739128/c1fbec52.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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72D9 | 8520 bytes |
SHA-256: 81853efcad072664b4382a4188be49b0375bb4a6c019ef312ef81fd40d4c9976 |
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font_01_sfnt_off000093ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93BA | 2736 bytes |
SHA-256: ccd4c16be78461455bc416a6b2a82209edd949535a8ea342684372e9e7370a0b |
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