MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially malicious sites. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=introduction+to+psychology+book+by+morgan+pdf PDF link annotation
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/wiwirulovijepexawiloxad.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/dajib.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/nodixafikuxemodajizin.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/22010895581.pdfIn PDF document text
- https://termoformat.md/img/files/4261935197.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/gotudejufixirufobazamawu.pdfIn PDF document text
- http://reichspfarrer.sk/file/14186984288.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/8b3u1pf72hfp31ji1k5c65dgt6/96099398236.pdfIn PDF document text
- https://support-trevianum.nl/userfiles/files/55613318380.pdfIn PDF document text
- http://disonde.com/filespath/files/20210918063511.pdfIn PDF document text
- http://iact2001.com/userData/board/file/42578299932.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109180501595795.pdfIn PDF document text
- http://radecznica.pl/userfiles/file/78897934967.pdfIn PDF document text
- http://ichieh.tw/uploads/files/202109160913492622.pdfIn PDF document text
- https://intekcanada.com/ckfinder/userfiles/files/sinekusixatef.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/wekuwafadoba.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebc86e84e9---50126915253.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/wemolekekavemoraxavizek.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/47555053845.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210905_138DD5AAB44598A8.pdfIn PDF document text
- http://etasystem.net/userfiles/files/vovewekobedelizedujunoz.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/kigufowotiloze.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/75128940350.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_off0000da1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1E | 17380 bytes |
SHA-256: c8f5956fb23a1754c6bef47f678c6040a0e3fbe1da1efa916d9d7b2f849e6623 |
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font_01_sfnt_off0001076c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F83 | 11332 bytes |
SHA-256: f9fd62380bd3da14e7845f9fa86ef00516d2c7a07119548fe73c762796b18979 |
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