MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to domains that appear to be part of a link farm, suggesting an attempt to distribute malicious content or conduct phishing. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates a malicious intent to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://wastran.ru/uplcv?utm_term=hack+insta+account+iphone PDF link annotation
- http://lienming-rubber.com/uploads/files/202109030631222719.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/paroses.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/96470163610.pdfIn PDF document text
- http://panova-art.com/files/file/vuvotezobezigikadar.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/81348158152.pdfIn PDF document text
- https://shih-tzu.ro/files/file/24404188931.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/sixuwasukarewuz.pdfIn PDF document text
- http://ofitecnic.es/files.ofitecnic/fck_up/file/nidodamudeganetilu.pdfIn PDF document text
- http://df-2.de/images/daten/file/2183231094.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/judugofezovufe.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c95528be78---mufawolawonowowat.pdfIn PDF document text
- http://mtkshop.com/images/uploads/file/nubipu.pdfIn PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/36366032541.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/78231589.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/zapobunamilafiregib.pdfIn PDF document text
- http://radiosalsa.fr/php/rs/filesupload/file/33196559867.pdfIn PDF document text
- https://amt-alarmy.pl/userfiles/file/vutikudos.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394ca7b73a6---doborowijulewub.pdfIn PDF document text
- http://vina2002.com/uploads/files/1867813959.pdfIn PDF document text
- http://tecksco.com/upload/files/disotajaxizuri.pdfIn PDF document text
- http://sin-hua.org/userfiles/natola.pdfIn PDF document text
- http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/vofid.pdfIn PDF document text
- https://campermagazine.tv/public/file/29815352901.pdfIn PDF document text
- http://dtmaso.com/public_html/Imagens/file/10124142384.pdfIn PDF document text
- http://longbeach.ilovepokebar.com/uploads/files/1082681094.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_off0000b84c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB84C | 15200 bytes |
SHA-256: 7944c7ea098c66fc48e1a333011a115a318c4ae3b9578aa29b73576ad20e8380 |
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font_01_sfnt_off0000de85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE85 | 10508 bytes |
SHA-256: 96f6d46b57efc73ce9e9c43df7d34f8110fd3474f21395e8e85d615bd44ee295 |
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font_02_sfnt_off0000f668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF668 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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