MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, a common tactic in phishing and tech-support scams. Embedded JavaScript was also detected, suggesting potential for further malicious actions like downloading additional payloads or exploiting vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://palezieux.com/ckfinder/userfiles/files/53083858916.pdf In PDF document text
- http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/mutarevaxepuwoseneb.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/murexuwixowukovix.pdfIn PDF document text
- http://livestocktool.com/d/files/18643147590.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/ritagutewuzolabiwu.pdfIn PDF document text
- http://quangcongluc.com/upload/files/tokojazuxesexomolinibefed.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/nebizozoravewujaraniweran.pdfIn PDF document text
- http://vntattoosupply.net/uploads/image/files/60350236372.pdfIn PDF document text
- https://nusamulticentralestari.com/Uploads/userfiles/files/mosetasazawovikuzebulazat.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021091118174173499.pdfIn PDF document text
- https://magerp.org/upload/files/nanisereru.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/33754380116.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/radidodakesesatiguvu.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/64207020783.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/73446609585.pdfIn PDF document text
- http://wamaeassociates.com/images/uploads/originals/file/44383998650.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/42281755887.pdfIn PDF document text
- http://parbatsamajjapan.com/img/files/files/molawikojatudifaxipib.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/26827971184.pdfIn PDF document text
- https://forumsevens.com/images/file/fudek.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=download+digimon+rumble+arena+ppssppPDF 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_off0000b2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCACD | 10964 bytes |
SHA-256: 1778205675506648cbae8afac054246c9c62d330b13960830fd6c49710e4d8da |
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font_02_sfnt_off0000e3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C7 | 17332 bytes |
SHA-256: 12bb0b7afa7b0b65324497e398672baa5778c00aa47676e4953ee487ea98d008 |
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