MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and configured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://synerhu.ru/uplcv?utm_term=android+auto+app+not+working PDF link annotation
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/1390800842.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/20143710076.pdfIn PDF document text
- http://canphantich.net/Images_upload/files/53225424490.pdfIn PDF document text
- http://105chers.netsociality.com/upload/files/woweliviridukasuperubeje.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/dezolajozar.pdfIn PDF document text
- https://mimpidia.com/contents/files/pikavukupokonezupowizowot.pdfIn PDF document text
- http://kidzcastleschool.com/singhania/downloads/file/80627656767.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/3027630612.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144442e99371---38286317027.pdfIn PDF document text
- https://cfi-registration.org/buzzboxgift/img/userfiles/files/48052998503.pdfIn PDF document text
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/68364259175.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/28293010697.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///sabikozezazarevenulo.pdfIn PDF document text
- https://sunrisemotelbellevue.com/nbloom/fckuploads/file/pabejosuwifenuzeveg.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210911192905.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161347e00be7f7---5227456460.pdfIn PDF document text
- http://parquet-cortes.fr/data/Files/vobolid.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/jakowafi.pdfIn PDF document text
- http://isisthailand.org/file_media/file_image/file/dikinal.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/fujozaniginewuvubuzuzezo.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/boribapop.pdfIn PDF document text
- http://iucecb.com/files/file/laluwe.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_off0000eb06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB06 | 17436 bytes |
SHA-256: 38725c2b41b25c47cdd8e715e894777b6c50f2fbe5021dcab868e17ec0eee20c |
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font_01_sfnt_off000117f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001300f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1300F | 10480 bytes |
SHA-256: 675e2a04164b1badff1c515bd31cc6875993fb438ad0267f73c6fe8c27940337 |
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