MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the document prompts the user to make a phone call. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing attempt, likely using embedded JavaScript for obfuscation or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.badischer-kunstverein.de/ckfinder/userfiles/files/gegorobef.pdf In PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/97235249660.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7a6f8cce2---4769367376.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/88534502635.pdfIn PDF document text
- http://andlupa.com/userfiles/file/94882276531.pdfIn PDF document text
- http://mptech.vn/ckfinder/userfiles/files/tulunopefiwurot.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/19019703452.pdfIn PDF document text
- http://climacom.eu/userfiles/files/29011221515.pdfIn PDF document text
- http://strap.sk/uploads/files/rojuwuvatorale.pdfIn PDF document text
- https://e-ceramika.pl/userfiles/file/konuxuwibad.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/rawoxume.pdfIn PDF document text
- http://timebymtm.com/upload/files/gowibezixowadowox.pdfIn PDF document text
- https://feldmann.pl/userfiles/file/48862617219.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/78306318737.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/jipamedaw.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/59822740672.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/tisipigimevojizowi.pdfIn PDF document text
- https://s-h.cc/uploads/files/202109060432108879.pdfIn PDF document text
- https://mlspoland.co/files/file/4047425840.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/xokurovimi.pdfIn PDF document text
- https://mwasafat.com/uploads/files/39650999984.pdfIn PDF document text
- https://zibarajabi.com/cache/fck_files/file/94108959388.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/4717640886.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=play+ds+games+on+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_off0000e1da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EC | 18016 bytes |
SHA-256: dbc395895bd133736beb062748618e486ee6665a55006d493c0f8c312f060e9d |
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font_02_sfnt_off0001282b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1282B | 10608 bytes |
SHA-256: 1eb100ff68538b2117c53ed99fbe00f0ce55aa97bcde175faf1bb3d5d332a86f |
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