MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1204.002 User Execution: Malicious File
This PDF file was flagged by ClamAV as a phishing trojan and a machine learning model assigned a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to disposable domains and appear to be part of a link farm designed to redirect users to potentially malicious content. Additionally, a callback lure heuristic suggests the document may also instruct users to call a phone number, a common tactic in tech support scams or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://allytemp.ru/uplcv?utm_term=how+to+transfer+files+from+mobile+phone+to+laptop PDF link annotation
- https://ensegun2.com/ckfinder/userfiles/files/junopowelamufovigigefil.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210911205259146911.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/pedigodumuvi.pdfIn PDF document text
- http://mrs-edu.com/sribati/editor/uploadfiles/4829376302.pdfIn PDF document text
- http://mousike.it/img_ins/files/38153279857.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161452a853af1e---gadewap.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/tugoviwumitekapatavo.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/wixemegunosuwotodebuteno.pdfIn PDF document text
- https://dallaslandscapedesign.com/media/files/7291972018.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/zubonerawalogovuzi.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/84000968637.pdfIn PDF document text
- http://dongduong.net/Images_upload/files/40422650995.pdfIn PDF document text
- https://podimercrm.com/img/files/jobinogewijojawamutix.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161347efc49639---57413097578.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/samazativizemuguli.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/towurinaworokomimebu.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/bilokixota.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/buxisefeponolabiwome.pdfIn PDF document text
- https://digireg.gr/upload/vusade.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/47724229540.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/dawulatoraweluzaxo.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_off0000cfea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FC | 17356 bytes |
SHA-256: ec9da0bd9d0a705ccf32363914c2a20bff4a487444d09df4a451abaac951c151 |
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font_02_sfnt_off00011496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11496 | 10840 bytes |
SHA-256: 534043edfb56cf9f4d8d1b2f7de496cd2b5e9dc69cc493f4df6172a3ddaefc7e |
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