MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, some of which are hosted on domains associated with link farms. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is designed to prompt the user to make a phone call, consistent with callback phishing or tech-support scams. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://vgcanada.com/userfiles/file/5313347887.pdf In PDF document text
- http://cybernet.asia/UserFiles/File/mizave.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/48176591985.pdfIn PDF document text
- http://babyindex.nl/images/uploads/melimeneki.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/lotetovagezokodukej.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/5517c0b70e37ee10afd031ad457fdb06/94811421563.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/80525977477.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/pedopenofubalibezi.pdfIn PDF document text
- https://rheinfurth.de/userfiles/file/zovafujiru.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/mewugesupujax.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/14963704872.pdfIn PDF document text
- https://unifor975.ca/userfiles/file/zudepe.pdfIn PDF document text
- http://epicridesnepal.com/files/bokobumofisa.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/fixatoj.pdfIn PDF document text
- https://curvy.tw/upload/files/16437166510.pdfIn PDF document text
- http://francescofesta.it/userfiles/files/labimukifa.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16143cfdf89242---duzirep.pdfIn PDF document text
- https://aaaxxion.info/images/file/gemosixuraduxanidi.pdfIn PDF document text
- https://medarbindia.org/ckfinder/userfiles/files/tigufe.pdfIn PDF document text
- https://franchise-vietnam.com/app/webroot/img/files/31975440960.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/55403843272.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/fufibaw.pdfIn PDF document text
- http://wsospice.org/uploads/userfiles/file/file/nezazofodilejafa.pdfIn PDF document text
- http://riviera.az/userfiles/file/kamitelakajeletok.pdfIn PDF document text
- https://pedrazzini-legal.ch/UserFiles/File/dusupiputaxamujiwuvasiro.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210928_666325D96EEAA212.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=sample+resume+if+you+never+had+a+jobPDF 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_off0000b424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB424 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC3B | 11288 bytes |
SHA-256: 346582574f9b8a1f43d758a23f77f57ba9990e7dea738df6ffab43499ac45f2c |
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font_02_sfnt_off0000e633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE633 | 14332 bytes |
SHA-256: 0cbd50719b5437d526772b654be187aabac9742beef451f9e8684e428ef2bcc9 |
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