MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. The 'SE_CALLBACK_LURE' heuristic indicates it's designed to trick users into calling a phone number, typical of callback phishing or tech-support scams. Embedded JavaScript streams were also detected, suggesting potential for further malicious actions like downloading additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://actaviaserica.org/board/file/files/fitojodikojag.pdf In PDF document text
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/63726032580.pdfIn PDF document text
- https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/85819691200.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/88823376978.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16134c081df10a---51225602518.pdfIn PDF document text
- http://benedictinoselrosal.org/ckfinder/userfiles/files/vununatut.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/96046328234.pdfIn PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/59459791330.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613834052d5e5---lerujux.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/18922852195.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/luzuribopi.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/202194141435821.pdfIn PDF document text
- http://enewind.com/pliki/file/barebopupiz.pdfIn PDF document text
- http://chongros.com/userData/board/file/88857988572.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/pososu.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/xenipusawa.pdfIn PDF document text
- http://apple888.vn/luutru/files/5455510801.pdfIn PDF document text
- http://dichvubaove.online/upload/files/gufirurajologotubanisom.pdfIn PDF document text
- http://blevy.com/ckfinder/userfiles/files/pevevaromomezesusitug.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/lizorenesunuve.pdfIn PDF document text
- https://marblobath.com/app/webroot/img/files/16322450455.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/32179378929.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=ca+neeraj+arora+books+pdfPDF 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_off0000e1f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F8 | 10648 bytes |
SHA-256: 87ab89629c0a27025bd7c2d7443616ceac2084c5ba5ef98bc05383d3ed526368 |
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font_01_sfnt_off0000fa49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA49 | 20220 bytes |
SHA-256: e8a5ccc1a20ce7a27bd88ffc19baf15a33812ea38165d55f101400052894776a |
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font_02_sfnt_off00012f14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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