MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous embedded URLs, many pointing to potentially malicious domains, and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest an attempt to direct users to external resources. While no scripts were explicitly extracted, the nature of the detected heuristics and the overall structure point towards a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://winhazel.com/indigo/ckfinder/userfiles/files/rewusibukixivoketasasop.pdf In PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/kabujakemik.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/77919526551.pdfIn PDF document text
- http://topbuild.net/content/xuploadimages/file/tivulawubemobumofil.pdfIn PDF document text
- https://atrax.hr/files/gefixizaroponepilolotiki.pdfIn PDF document text
- https://aymexco.ro/ckfinder/userfiles/files/tuxovakomiminigezovob.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/237177803.pdfIn PDF document text
- http://www.travelwithtaangoo.com/img/file/nenepoxozurusuredudewuvu.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/9756054698.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d838a67760---83289489486.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/18378548679.pdfIn PDF document text
- http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/13088918653.pdfIn PDF document text
- https://nbretail.com.vn/ckfinder/userfiles/files/41099686696.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/tamasewipekaw.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/vekig.pdfIn PDF document text
- http://decentlogistics.pk/survey/userfiles/files/71944840343.pdfIn PDF document text
- http://madmojo.com/fckupload/file/gasebatakoxazirutepo.pdfIn PDF document text
- http://puebloexec.com/userfiles/file/7040475448.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/12762415353.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/jatuxunaxigudimotob.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/fegemikudab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=lumia+720+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_off0000b501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB501 | 17560 bytes |
SHA-256: 204566f626fb37a5df6948270073e12f3d42567f9d6d5901240e008f4eb122b6 |
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font_01_sfnt_off0000e14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE14D | 10316 bytes |
SHA-256: 9156bc7d611d23a52df98b6fdc709559fb6111bd8127e723598ec23ce2a5f5f0 |
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font_02_sfnt_off0000f87e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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