MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document is a link farm hosted on disposable domains, with numerous embedded URLs pointing to potentially malicious content. The presence of embedded URLs and the nature of the heuristics suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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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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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://wastran.ru/uplcv?utm_term=camscanner+pdf+creator+free+download PDF link annotation
- http://news-hk.net/uploadfile/file///kejifisekerupu.pdfIn PDF document text
- http://kingsfci.com/userfiles/file/medigov.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/xafimujuwikag.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/sabezewimavesa.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75393593197.pdfIn PDF document text
- http://adidravidar.com/ckfinder/userfiles/files/82625961171.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/38755805265.pdfIn PDF document text
- https://sona3elkhair.com/userfiles/file/vuvumefediseruw.pdfIn PDF document text
- http://www.kowel.com/ckfinder/userfiles/files/1630963762.pdfIn PDF document text
- http://cameragiaminh.com/upload/files/roxevigixizusafiki.pdfIn PDF document text
- http://hantechwelding.com/userfiles/file/2021091013531373499.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/jifimumidumupipam.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/71278a2900a870b917bab813e18a50c5/givusumakugawewogix.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/892a5fb00ad07160ccf0bf3c93150f54/gumodom.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/25828744352.pdfIn PDF document text
- https://aimtronu.org/userfiles/file/84869814810.pdfIn PDF document text
- http://seritour.com/rsm/files/sijuvifodowuwetas.pdfIn PDF document text
- https://radiosmile.hu/upload/file/49659913866.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/jutamozejadudatufume.pdfIn PDF document text
- https://datatalk.ilvzhou.com/upload/files/2021/09/202109092319351980.pdfIn PDF document text
- http://badischer-kunstverein.de/ckfinder/userfiles/files/tisojuvokukadam.pdfIn PDF document text
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/sovuf.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_off0000b178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB178 | 10804 bytes |
SHA-256: d56385f85dd26a019f736802717d562b10f0fd58fc6bc7892e19f017c82d21bc |
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font_01_sfnt_off0000ca70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE282 | 14736 bytes |
SHA-256: 8296297698b6af55b715614d6d27fcb37044930a079323e51fe1b7b8a9a43644 |
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