MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample utilizes embedded JavaScript and redirects users to external URLs, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' strongly suggests a lure for free downloads, which is a common phishing tactic. The embedded JavaScript likely facilitates the redirection or further payload delivery, contributing to the overall malicious intent of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.6197
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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 https://yubit.co.za/XSRYdR1H?utm_term=structured+programming+using+c+pdf++pdf+files PDF link annotation
- http://ns03.duehost.com/js/ckfinder/userfiles/files/65798361266.pdfIn PDF document text
- http://bobas24.pl/Upload/file/ledagageb.pdfIn PDF document text
- https://gedinabudi.weebly.com/uploads/1/3/0/8/130814056/2718c31679ae7.pdfIn PDF document text
- https://vajuwapokovis.weebly.com/uploads/1/3/4/3/134361820/63231.pdfIn PDF document text
- http://casadiriposoronco.it/admin/data/files/files/50645317668.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/wazox.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/c1f262626ac3c50d44e03c39343a0a52/wetalelerijo.pdfIn PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/38205842617.pdfIn PDF document text
- https://kosituvote.weebly.com/uploads/1/4/1/2/141279504/sewuda-juwudujajevaj-pedosonuvo.pdfIn PDF document text
- https://kampusogrenciyurdu.com/file/27612462530.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/61378056908.pdfIn PDF document text
- https://hygienika.sk/userfiles/file/menakiredadade.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/25954565960.pdfIn PDF document text
- https://nonotuwar.weebly.com/uploads/1/3/4/6/134612914/defotivowis_sukuramiruf.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/tasasakupese.pdfIn PDF document text
- https://mabamigetope.weebly.com/uploads/1/3/4/4/134493328/fuzadesuru-mixovumox-rudibuju-zerorinova.pdfIn PDF document text
- http://kgpms.org/kcfinder/upload/files/verisul.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/55144003423.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/97954613221.pdfIn PDF document text
- http://parafiasadkowice.pl/pliki/futowisijugebidisi.pdfIn PDF document text
- http://eunlocker.com/Images/Editor/file/rimovewuduzalusodo.pdfIn PDF document text
- http://ros.by/ckfinder/userfiles/files/roroko.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/zovotebatuwavokuf.pdfIn PDF document text
- http://pulaibao.com/userfiles/files/batafazenuzobuk.pdfIn PDF document text
- https://kemigaguni.weebly.com/uploads/1/3/1/0/131070112/kulixiwizoxolofale.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/rubukajuferasubuk.pdfIn PDF document text
- https://caraudioshop.ro/mm/file/31382399664.pdfIn PDF document text
- https://zitifulopesere.weebly.com/uploads/1/3/4/7/134722705/65e6e.pdfIn PDF document text
- https://pmb.unimal.ac.id/assets/plugin/kcfinder/upload/files/gatunalupevenizilove.pdfIn PDF document text
- http://maulich.vn/attachment/files/jufemadubazuputaroraxepi.pdfIn PDF document text
- https://vetidemilutuzu.weebly.com/uploads/1/3/4/4/134492936/fotumapowevuwon_kevatetudofu_wafav_wodak.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
- 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_off0005c49f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C49F | 17260 bytes |
SHA-256: 3343780c376bf2c6426d40ace5810ddd13f3a2dbf746f0cd932670c7cee0b3af |
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font_01_sfnt_off0005f225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F225 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00060a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A3C | 11136 bytes |
SHA-256: 1503d7e4515d7cc3f84626aa111d6a7f4a17bed7c7bf262e10db362232c84f07 |
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