MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. It contains numerous embedded URLs pointing to disposable domains and link farms, suggesting a phishing or malware distribution scheme. The presence of external URIs and the classification as a link farm strongly indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://inwebjor.ru/uplcv?utm_term=incoming+sms+broadcast+receiver+android+example PDF link annotation
- http://xn--dlek-5qa.com/admin/UserFiles/file/masuk.pdfIn PDF document text
- http://lawyergz.net/uploadfile/files/24599165262.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613587392c3a3---tepimatodotagamekodezuja.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/15433258840.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/61988638161.pdfIn PDF document text
- http://confidenzacsapagy.hu/upload/2904579576.pdfIn PDF document text
- http://gyermekhaz.hu/Content/site_images/files/gozavixavilav.pdfIn PDF document text
- http://otczenacts.com/media/files/sokedatuperamilubap.pdfIn PDF document text
- http://oawebserver.com/piceditor/file/44490140813.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/25280391987.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/bpvrc4ol7hu5ct0hl2ce8im20u/8897040394.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/70241527068.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/buxajusofejevisuged.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/jutideboto.pdfIn PDF document text
- http://trunglamdecor.com/uploads/userfiles/file/jakesidaribu.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/64951778545.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/wobaxoposodir.pdfIn PDF document text
- http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210906_173122.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/64859963591.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/51697758302.pdfIn PDF document text
- https://ahirealty.in/admin/userfiles/files/rinoxidexoju.pdfIn PDF document text
- http://scamps.biz/userfiles/file/51709059226.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/xemaderazinop.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_off0000c039.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC039 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD850 | 11116 bytes |
SHA-256: 2d8efc6bfdd4a2858ca9e85601efceacc98b4eb8e33068ff0fa548df50aa468e |
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font_02_sfnt_off0000f1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DC | 16832 bytes |
SHA-256: 150f55ffe505e95d6ae3a23b4e5fa57046c32e03a876431bfee8b8493b710cd6 |
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