MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm with numerous external URIs, suggesting a phishing or malware distribution attempt. Although no scripts were extracted, the PDF structure and numerous embedded URLs point towards a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ck-buhgalter.ru/userfiles/file/35910791154.pdf In PDF document text
- http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/13721756566.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/vomatusuwotil.pdfIn PDF document text
- https://servauto.fr/img/user/file/85988707414.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/wexenawibovazidukojati.pdfIn PDF document text
- https://fwstc.in/userfiles/file/36560330115.pdfIn PDF document text
- https://digireg.lu/upload/38547016249.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/84968567399.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dbafc3e01---57767871140.pdfIn PDF document text
- http://kunbot.com/upload/files/99085724456.pdfIn PDF document text
- https://vr-spagna-20.effievirtual.com/galeria/files/geziwodujupolusirekodine.pdfIn PDF document text
- https://elsa-daulte.com/ckfinder/userfiles/files/perag.pdfIn PDF document text
- https://davaocarrental.com/images/file/tugixalabumojaxuvinejok.pdfIn PDF document text
- http://globomax.eu/userfiles/file/8538934759.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210913021457.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613440d320905---rideduxurewinapiwo.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/6411738415.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/xavirokotudifudibelarefar.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/suzelojadakiravenarase.pdfIn PDF document text
- http://yusungchart.com/userData/board/file/rujewufukixejunufap.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/57968300209.pdfIn PDF document text
- http://kebirbeton.com/userfiles/file/bepofoxebegap.pdfIn PDF document text
- http://christ-china.com/filespath/files/20210917074832.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=jw+alive+hacksPDF 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_off0000ea30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10242 | 19912 bytes |
SHA-256: 137326b4d95b9d1749a1d4e631e935fafa2414e33a9b9044e51cf56cd79cb886 |
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font_02_sfnt_off00013757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13757 | 10140 bytes |
SHA-256: 785d8a13ac267b6527333f6f4fec5e644a2cde2fec2895f88c2782831e91eaee |
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