MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It exhibits characteristics of a credential phishing lure, specifically targeting multi-factor authentication or one-time codes. The document contains numerous embedded URLs, many of which point to disposable hosting, suggesting a link farm designed to obscure the ultimate destination or host multiple phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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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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://cegled.varosom.hu/userfiles/files/14352284400.pdf In PDF document text
- http://eska-lift.ru/userfiles/file/lisexazagomosizar.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210908_DD7DB857C2DE3A66.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/70293179917.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613596af8f5fe---susasotaseken.pdfIn PDF document text
- http://neoneofytou.com/ckfinder/userfiles/files/fidepikazejagivanowidif.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/18516216854.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/vukamisonebeganinesomijen.pdfIn PDF document text
- http://pronobile.com/catalog/file/57734881290.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/xuzokixuzavenenugatedeloz.pdfIn PDF document text
- https://medtek.vn/storage/file/54372054788.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/44756688640.pdfIn PDF document text
- http://gojjang.com/uploads/files/88098889714.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/26171987271.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/davipifegamapawijujuvaj.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/99635836187.pdfIn PDF document text
- http://pc75.net/upfiles/file/1631502118.pdfIn PDF document text
- https://digireg.nz/upload/80999094267.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/soxowefobapasosa.pdfIn PDF document text
- http://watch62.ru/files/files/zituwofilugerupejuvik.pdfIn PDF document text
- https://gea99.com/ckfinder/userfiles/files/bekixogigo.pdfIn PDF document text
- https://vpmemorial.net/images/file/80264795596.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/96215504712.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/2082a4eac826e40b738fb6f54f18fe31/rolegezukavop.pdfIn PDF document text
- http://www.siposferenc.hu/html/jatebetorakubofubizusosu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=google+voice+android+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_off0000c561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC561 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD78 | 10468 bytes |
SHA-256: 8d5d1e9a25310ce46c2dfafd6cb89c50c578ac2a8872515fe13a9c3ac378edab |
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font_02_sfnt_off0000f538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF538 | 16404 bytes |
SHA-256: e19c69ac6e6231191e07b553bc28128e4ed22a5c536631e75c65fda1f21bc3a5 |
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