MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect the user to download further malicious content. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://soldearenales.com/galeria/files/zodujawetalomopidanugiton.pdf In PDF document text
- http://carraracucinecomponibilitrapani.it/userfiles/files/xokerazizaraxarefalus.pdfIn PDF document text
- https://ghnservizi.com/file/92851278294.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/garowowa.pdfIn PDF document text
- http://khlongtoei-nfe.com/library/userfiles/file/regumimifuvob.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c35a9e89b---79242183308.pdfIn PDF document text
- http://rebizplus.com/userfiles/file/padadobikezi.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/rorubixukawupejetisux.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16130036d8bd1b---dejorevidenapoxadofusex.pdfIn PDF document text
- http://gibisch.com/files/files/kukoxijereluveseki.pdfIn PDF document text
- http://teplospectr.ru/images/files/21442229810.pdfIn PDF document text
- https://parfumzone.ro/files/file/tusebisosiradafopuzinibar.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/fixasolirif.pdfIn PDF document text
- https://sentinels.ro/userfiles/file/pumorujatupaw.pdfIn PDF document text
- http://cosmoscm.com/contents/files/vuxuz.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16137c3fbafe45---24860788363.pdfIn PDF document text
- http://candleelectricals.com/uploaded_files/userfiles/files/3611765335.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/bimegaxedelubirudubap.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/9637725935.pdfIn PDF document text
- http://twsl.mingann.info/upload/ckfinder_temp/files/20210903105746.pdfIn PDF document text
- http://studioprogettoarchitettura.eu/userfiles/files/24675712595.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/42323852799.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/23218306727.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=modal+verbs+en+ingles+pdfPDF link annotation
- 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_off0000d0a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0A5 | 18760 bytes |
SHA-256: a618d4a1efd66166d89ac72dfbb4a70775fe51ae9e6e5375654357371687b495 |
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font_01_sfnt_off00010060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10060 | 10772 bytes |
SHA-256: cdb2d7b8d5bfb0180e9304704b48483727d41c52d08b9a40dfa8bf82480ffb31 |
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font_02_sfnt_off000118d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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