MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on potentially disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these external sites, which is a common technique for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://www.brickchamber.com/ckfinder/userfiles/files/96167287658.pdf In PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/mivonezexunolili.pdfIn PDF document text
- https://wonwon.taipei/photo/file/49366718788.pdfIn PDF document text
- https://cuatudongsaigon.net/uploads/files/dofujozoxesobupuk.pdfIn PDF document text
- https://tefen67.com/userfiles/files/jibesasonalud.pdfIn PDF document text
- https://pharma-tools.eu/galeria/file/bogunugidijimekesokupaban.pdfIn PDF document text
- http://deauville.ru/files/file/16430272393.pdfIn PDF document text
- http://asu78.ru/userfiles/file/lasala.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/mitamimug.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c64ae845a---xojafewesujokaseweketo.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/zikon.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/pilepexufewopafelili.pdfIn PDF document text
- http://dywin.com/uploadfile/files/vawenududasutisajo.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/gipuxofi.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/1303077331.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/161341ea501fe1---goxoxitasevuzaji.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/45988339665.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/xawujemenetiwiwe.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/57832323236.pdfIn PDF document text
- http://kgmda.com/upload/files/bemajimudux.pdfIn PDF document text
- https://etcbt.com/userfiles/file/punubu.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/98037072736.pdfIn PDF document text
- http://besteva.com/upload/files/relutekikutuloduwesalota.pdfIn PDF document text
- http://annabarons.lv/files/files/11085896897.pdfIn PDF document text
- http://delve-cr.com/uploads/50767253853.pdfIn PDF document text
- http://gunjanjain.com/app/webroot/js/uploads/files/doteji.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/rafunujovevuve.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=android+12+widgetsPDF 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_off0000be07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE07 | 10452 bytes |
SHA-256: e5e8846fb28bc28f26d00761a301a35d6341b2d47fd51106b2404ba5855ed956 |
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font_01_sfnt_off0000d5d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D4 | 16704 bytes |
SHA-256: 6c97eef991e84110ff9aa70158bfaecc55d895ee85d6dc491e9f8a96398c0dc3 |
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font_02_sfnt_off0001012e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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