MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised websites and disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristic firings strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://infrive.ru/uplcv?utm_term=hack+wifi+password+online+pc PDF link annotation
- http://prasongp.com/file_media/file_image/file/68546180920.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc1645a6be---wolinubasesiba.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/galedaxufojewer.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/xasewipegiv.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b79bb653ea---wuzigekixamatisevazojova.pdfIn PDF document text
- http://fanti-fitness.pl/uploads/assets/file/lajebu.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a3672a961---rumejekef.pdfIn PDF document text
- http://pm-ural.com/uploads/files/wivifugukaxagumik.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/nekezorexim.pdfIn PDF document text
- http://resortcrimea.com/ckfinder/userfiles/files/54534789253.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/semitubetavibekodos.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f84e890a4---ziwuzen.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/foxud.pdfIn PDF document text
- https://groupunsur2.com/contents/files/gulipuborivivotura.pdfIn PDF document text
- https://ratodua.com/contents/files/zewisasijuzemuxozex.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/ruvaletatukilatomulolidaw.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/94022709557.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/88655538123.pdfIn PDF document text
- https://jobtiara.com/files/files/kinejexoragopimiwomel.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/kesogimuzi.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/14618374757.pdfIn PDF document text
- http://cantinachitarra.it/userfiles/file/46671097907.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/wemaverawoteme.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_off0000d2ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB00 | 16956 bytes |
SHA-256: 90f94c0c66f8d78ada5eafc2b1e14a481804a9f47bf439299396fe535e6a6d7d |
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font_02_sfnt_off000116e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E8 | 10684 bytes |
SHA-256: 49e98a17b18beae069888e0e36b84b6b4c77d15bbb77859a0b4b7adbc52fc6b1 |
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