MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The document also features a large number of external URLs, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially harmful content. The presence of embedded JavaScript and numerous external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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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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 https://smidgel.ru/uplcv?utm_term=apk+ps3+android PDF link annotation
- https://spvi.cn/filespath/files/20210901192903.pdfIn PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/30545982705.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/pifibeneva.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/89435249072.pdfIn PDF document text
- http://flairpens.ru/uploads/files/rarisuwivivexibuvomukixis.pdfIn PDF document text
- https://medbillings.us/lightspeedweb1/file/xubowujopawaxifudepi.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/75736817670.pdfIn PDF document text
- http://zehanbiopharma.com/upload/files/gogetorajigitisigu.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/jefuwokisofuvobanat.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/12035546190.pdfIn PDF document text
- https://jck.ro/userfiles/file/dinovojarisog.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/30243773402.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/soxogarunasonepej.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161354bff0607e---87961544319.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/407004670.pdfIn PDF document text
- http://dymenahealthcare.com/upload/fckeditor/file/mizasowazuferixeluxidik.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/8829016446.pdfIn PDF document text
- https://gangwontaxi.com/FileData/ckfinder/files/20210908_29AFA7EB24F39DDE.pdfIn PDF document text
- http://www.domplit2006.ru/ckfinder/userfiles/files/xojokejufuvimapejimekufom.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/8253554670.pdfIn PDF document text
- http://www.keizerco.nl/userFiles/file/5324057342.pdfIn PDF document text
- https://byocamacho.com/ckfinder/userfiles/files/fetoli.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_off0000ac1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC1F | 15036 bytes |
SHA-256: 09081fac66f4e3027d2d1df41e9c26ebd6ae99eb6c958c18acbb92ff4de5bccf |
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font_01_sfnt_off0000d20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20A | 10352 bytes |
SHA-256: 85bc15a7f389193ada5a58ca09b558de66ce1cbe6f497bd4cd894d48f066b767 |
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font_02_sfnt_off0000e98a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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