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, with heuristics indicating it is a link farm and a callback phishing lure. The document body is heavily obfuscated, but the presence of numerous embedded URLs and the 'SE_CALLBACK_LURE' heuristic strongly suggest a phishing attempt. While no scripts were explicitly extracted, the PDF format can embed JavaScript for malicious purposes, hence T1059.007 is included.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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://klimatyzacjaradom.pl/userfiles/file/fewuretipawugizuro.pdf In PDF document text
- http://klpa.net/userData/board/file/11035601092.pdfIn PDF document text
- http://sushiloverca.com/uploads/files/puwosivarafa.pdfIn PDF document text
- https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/seguvigafulupesotari.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/63139872351.pdfIn PDF document text
- http://nicosiacaffe.it/file/30252423753.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c47c66f26c0---68724568615.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/duleju.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/josejadapopuxolo.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/33725468169.pdfIn PDF document text
- http://hyundai-baoloc.com/luutru/files/gemobatuzopalodewexo.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/wojixugisulazitelovi.pdfIn PDF document text
- http://travelport.pl/userfiles//file/denitugaga.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/pafuwonid.pdfIn PDF document text
- https://szaktel.hu/uploads/file/59701818288.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/mivurerarovogirobolige.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/jofufunowuzowimal.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/30044428905.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/79460527611.pdfIn PDF document text
- http://hutbephottaihaiphong24h.com/upload/files/mumijiporopikawedanoji.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/66488902752.pdfIn PDF document text
- https://cahayaapi1.com/contents//files/sovazuwazofimezujuxe.pdfIn PDF document text
- http://jfhcoaching.nl/userfiles/files/5801780827.pdfIn PDF document text
- https://atlantidegattico.it/file/kulum.pdfIn PDF document text
- https://citytrafik.nu/images/file/44262035930.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=plano+isd+calendar+pdfPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/757f9ecad4ba8e99bc71b2259028d375/fupanebomurifajof.pdfIn PDF document text
- 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_off0000dc02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF419 | 10516 bytes |
SHA-256: c1befb874c815d083df0907766be907005613e0dfce34ea8d416190007d88a8d |
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font_02_sfnt_off00010c14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C14 | 17496 bytes |
SHA-256: cf21b714b95b75e02b75f6541271cd4e4d3c3e2fef62d30f508977c4c1e04226 |
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