MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF containing a large number of embedded URLs, many of which point to disposable domains or are used in a link farm pattern. Heuristics indicate this is a phishing lure, potentially involving QR codes or callback scams. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for distributing further malicious content or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://crewmak.ru/uplcv?utm_term=how+can+i+transfer+contacts+from+one+phone+to+another PDF link annotation
- https://sibois.eu/userfiles/file/13222911739.pdfIn PDF document text
- https://bselink.com/userfiles/file/toxixoj.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec75f10462---82613309401.pdfIn PDF document text
- http://arredamentoambienti.it/img/file/tokijejofitenawofi.pdfIn PDF document text
- http://ibookingkr.com/FileData/ckfinder/files/20210912_5255D594F5ABF3D8.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/ragidujojolaveravubanuli.pdfIn PDF document text
- http://asid.rw/userfiles/file/deguzapopugi.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/rekirifaso.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/38595079754.pdfIn PDF document text
- http://pizzeriagiganti.ro/imagini_ws/bepijetupidipasenukogo.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/7597957867.pdfIn PDF document text
- http://anipetkingdom.com/webroot/img/files/48475097711.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/getitobesolosefanubofa.pdfIn PDF document text
- http://adas-muko.pl/photo/file/fedonolesesixudo.pdfIn PDF document text
- https://forumsevens.com/images/file/62008100924.pdfIn PDF document text
- http://meruzhankhachatryan.com/app/webroot/files/file/xitutifepexagep.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/lizif.pdfIn PDF document text
- http://aromacosmetics.bg/assets/userfiles/file/masuf.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/kemoveniboregal.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/be9c4ac0e947206c6b7cff16a4307d10/jemuk.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/maxodokixi.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_off0000ccd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCD5 | 17108 bytes |
SHA-256: 2bbe1658c33755c0c9b874709fe522d2ac108a234f984ddb9d11f36025071f5b |
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font_01_sfnt_off0000f8ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C4 | 10776 bytes |
SHA-256: 66e0006a46013699ee6fbd565eeb03cf86515e9a3e494d35bc7113fcfb0e1217 |
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