MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and heuristics indicate it functions as a link farm and a callback phishing lure. The PDF document body is heavily obfuscated, but the presence of numerous external URIs and the callback lure heuristic strongly suggest a phishing attempt. No scripts were extracted, but the PDF structure itself is likely used to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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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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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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 http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/wifotuwivoxiziri.pdf In PDF document text
- https://ghnservizi.com/file/rutajoza.pdfIn PDF document text
- http://cabini.it/userfiles/files/50943205367.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/2233745357.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e23e02868e---56443161046.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441e53ac34d---40958620549.pdfIn PDF document text
- http://ysenb.kr/board/file/editor/file/zewul.pdfIn PDF document text
- https://red-adlay.com/upload/files/pisevezeranojisik.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/97087996831.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/92070705626.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/49436795502.pdfIn PDF document text
- http://donghotam.com/luutru/files/86082569659.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/zuwotikorurodimalenaled.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/novaniripozaxo.pdfIn PDF document text
- http://stattus.com/assets/file/41279429904.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/miruxusimedada.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/93837033180.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/30881133321.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/92832946602.pdfIn PDF document text
- http://martonelektro.hu/files/file/8006608669.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/66041673613.pdfIn PDF document text
- http://mtreurope.com/ckfinder/userfiles/files/58156667223.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/tabezorivuwatunaludorog.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=unturned+scrap+idPDF 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_off00010842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10842 | 23492 bytes |
SHA-256: f6b17c42c76085f0d358c1be6fdf6a1495418d67d60c91ab74c563ac8073f38c |
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font_01_sfnt_off000146d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015ee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EE9 | 10448 bytes |
SHA-256: 137364f173e7efd45839d48d499a6def7e8c881def5106628c404ce2a418ad91 |
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