MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. ClamAV and an ML classifier flagged this PDF as malicious, indicating a phishing or malware distribution intent. The presence of embedded JavaScript, though not explicitly detailed in the provided evidence, is a common technique for executing malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://synerhu.ru/uplcv?utm_term=screen+tapper+for+android PDF link annotation
- http://wgadget.com/file_media/file_image/file/61335137467.pdfIn PDF document text
- https://totounited.com/contents/files/mobuvekogolin.pdfIn PDF document text
- https://apra.pl/files/file/68358632057.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/fesovel.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/8889528431.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/rakepatifase.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/49274083015.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d94fce7d59---rosodof.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/pujepolimifimaxatasubuxu.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/kawodowawuki.pdfIn PDF document text
- https://ngusacdon.com/upload/files/63614571525.pdfIn PDF document text
- http://scantech3d.com/files/lidap.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/78685443162.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/27212600820.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/31299380681.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/35333047934.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/87445633195.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/nedofuriluduse.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/baravifufe.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mevajugisibuwulelevetu.pdfIn PDF document text
- https://derfo.info/resimler/files/kifamafezuvigi.pdfIn PDF document text
- http://www.urbanwaterways.info/files/58492069762.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/modelosemawewogozakoxir.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/18503308535.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_off0000f124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF124 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010936.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10936 | 18204 bytes |
SHA-256: 2b21013158fcb6c99cd5ea7b6277bef1834d73f1277312d551ee259f33e91fc0 |
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font_02_sfnt_off000137d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D6 | 10476 bytes |
SHA-256: ba3040af0ef352df2fa73f57f04b77db954802780a4cf6c586fb87ad4e725383 |
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