MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing scam. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, a common tactic in tech-support scams. While no scripts were directly extracted, the PDF structure and numerous embedded URLs suggest it may serve as a lure or a downloader for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://floresdeserrezuela.com/aym_image/files/4160886966.pdf In PDF document text
- http://thenext.pk/userfiles/files/9468371282.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/dexuzuvafe.pdfIn PDF document text
- https://vsevolozhsk.mebel18.com/uploads/files/pifeduramugonazuwuves.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/73061574431.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613add8fc427f---zofivikegut.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/19052855164.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c7358df3e---49468963429.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/kozapozofofewigolu.pdfIn PDF document text
- http://geoman.cz/data/file/69654342115.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/zasarowuzetavevu.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/dosoju.pdfIn PDF document text
- http://lemonsport.hu/upload/file/56986286485.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/68390155417.pdfIn PDF document text
- http://s4l.vn/storage/ckfinder/files/xupuxupiges.pdfIn PDF document text
- http://ranch.pl/files/file/50920703908.pdfIn PDF document text
- http://litroshaber.net/resimler/files/59024947592.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/55492919177.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/49192901746.pdfIn PDF document text
- https://successstudio.net/userfiles/file/59083935265.pdfIn PDF document text
- http://denkobarbell.com/_upload/files/55442442109.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/32976237969.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=tardis+ringtone+for+androidPDF 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_off0000ba60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA60 | 17316 bytes |
SHA-256: a2c4c3157da30e4c27445ccaae2f1a9b1611ba20f1cc586e0ab2f76bf7068bf3 |
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font_01_sfnt_off0000e755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE755 | 10448 bytes |
SHA-256: 0c77dd769c9c2fa22886727f48b89c988c7eb5e3dbddac7170be1c106b204719 |
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font_02_sfnt_off0000fef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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