MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links to other PDFs hosted on various domains, indicating a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests this is a malicious attempt to manipulate search engine results or distribute content. The embedded URL 'http://correctivecare.net/uploads/1/3/0/5/130541137/130541137.html#factor+comun+binomio+formula' is part of this network. The document body contains garbled text and a reference to the same URL, further supporting the malicious intent.
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://correctivecare.net/uploads/1/3/0/5/130541137/130541137.html#factor+comun+binomio+formula PDF link annotation
- http://viholisticnutrition.com/uploads/1/3/0/5/130551463/443b1944d392.pdfIn PDF document text
- http://mkproclean.com/uploads/1/3/0/4/130489386/bunezoramirizej-fikusupex-nokevukunodugux.pdfIn PDF document text
- http://mindyjourney.org/uploads/1/3/1/3/131398094/gewukigem_xuxakovobakit.pdfIn PDF document text
- http://cofchrist.club/uploads/1/3/0/5/130545895/daduguvibikema.pdfIn PDF document text
- http://ship-of-theseus.org/uploads/1/3/0/4/130477805/gobumumaw.pdfIn PDF document text
- http://supertrampsale.com/uploads/1/3/0/7/130776805/0dd65cf5b.pdfIn PDF document text
- http://vegastourstop.com/uploads/1/3/1/4/131438667/9006603.pdfIn PDF document text
- http://tinkerhousetradingcompany.com/uploads/1/3/0/2/130289345/d36be.pdfIn PDF document text
- http://jacyntta.com/uploads/1/3/1/4/131407802/fokojesi.pdfIn PDF document text
- http://synergyhomebusiness.com/uploads/1/3/0/5/130550796/f982d1.pdfIn PDF document text
- http://aceafterschoolcare.com/uploads/1/3/0/6/130639690/nixejabef_zawove_pisata_gatabilub.pdfIn PDF document text
- http://baxrelax.com/uploads/1/3/0/2/130289773/desenuxeratofa-balemesujeda-bolok-lovukefogon.pdfIn PDF document text
- http://essentiallybergmann.com/uploads/1/3/0/2/130272981/fepasekajowajutes.pdfIn PDF document text
- http://brentritchie.com/uploads/1/3/0/2/130291702/6399376.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8670 | 10232 bytes |
SHA-256: 3392e91b86bb501242da929a235e76b473bb9dea59a6177027e119a326e17b48 |
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font_01_sfnt_off0000aacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAACD | 2652 bytes |
SHA-256: e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea |
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font_02_sfnt_off0000b436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB436 | 16408 bytes |
SHA-256: 81d43050ba91d49228ae231686423dfde62ccdfd6eb44243228859e1fb6bcaf7 |
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