MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of external links, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://electrogalicia.com/electrogalicia/recursos/archivos/mifewemekugasowilivivu.pdf In PDF document text
- http://net-marketing.hu/images/files/63408149906.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7bc917b7d---fagupuguxabowu.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/71000378128.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/wasozibageti.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/napusafijosuwovez.pdfIn PDF document text
- https://inijariku.com/ckfinder/userfiles/files/26269143250.pdfIn PDF document text
- https://satnamunicipalcorporation.com/admin/ckfinder/userfiles/files/lunowixelugov.pdfIn PDF document text
- http://dailycan.com/userfiles/files/zofuxabebovamemobizivule.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f91c101f48---pefafudojokiwikiromuwa.pdfIn PDF document text
- https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/pogode.pdfIn PDF document text
- http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/jefikubupavowizamabofor.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///gitedukanaroxodot.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/xubowuva.pdfIn PDF document text
- http://parcroyale.hk/userfiles/nexeja.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/babimogebolotibozelenuxop.pdfIn PDF document text
- http://daphongthuyhueminh.com/uploads/image/files/8047682324.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/nivewebav.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/buriwapapen.pdfIn PDF document text
- https://cemb.ca/upload/editor/file/35314564693.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/sebas.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/mebabelubor.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/kisusifedetumiwomavukumix.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/xupugugojuserijup.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/nitodajewijodorovif.pdfIn PDF document text
- http://aguito.madteam.net/ckfinder/userfiles/files/piwusoxele.pdfIn PDF document text
- https://pingthye.com/userfiles/files/89209397757.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/43153714723.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=organic+synthesis+book+pdf+downloadPDF link annotation
- 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
- 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_off0000cd08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD08 | 11356 bytes |
SHA-256: 8e363a6c97bb7aea3d310e8697cef50934c3535ef052e5762d4b4de4995e0a43 |
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font_01_sfnt_off0000e76d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7F | 17128 bytes |
SHA-256: 3a7e6ac108dcdfb1e9ee502f153380896b69514a4edf72637ba9a2b0ace27d84 |
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