MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, likely to distribute further malicious content. The presence of numerous unknown-reputation URLs supports this, suggesting an attempt to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://cructi.ru/uplcv?utm_term=describing+words+that+begin+with+b PDF link annotation
- https://crownprolaw.cn/userfiles/Proj_Name/files/46444444714.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/sedelusolonuvumu.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/67639192065.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/fetive.pdfIn PDF document text
- http://trungtamsangloc.vn/uploads/ck_upload/files/vufekiboduwonive.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413af7eb659---57270305228.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/89403044420.pdfIn PDF document text
- https://nasikampung.info/contents/files/66471441345.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/43152620512.pdfIn PDF document text
- http://satyavnetworks.com/fck_upload_images/file/tojokimenofaje.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/29154637674.pdfIn PDF document text
- http://uts.edu.co/portal/app/ckfinder/userfiles/files/kumow.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613994dfb936c---3549481860.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_04_03_22_22_3921.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/40217682765.pdfIn PDF document text
- https://guruamardaspublicschool.com/userfiles/files/45103798653.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/37572052774.pdfIn PDF document text
- http://flemingdecal.com/uploads/assets/file/tugugisidetaropamu.pdfIn PDF document text
- http://kronikarp.pl/ckfinder/userfiles/files/17128509623.pdfIn PDF document text
- http://studiopol.it/userfiles/files/zakakufosunesorejizogaj.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/94237886469.pdfIn PDF document text
- http://35ct1.com/images/ckImageFiles/files/31729301554.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/zazewutotokigopivexepozo.pdfIn PDF document text
- http://cameranichietsu.com/luutru/files/damosopokudivep.pdfIn PDF document text
- http://sipzip.com/userfiles/file/14651870259.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_off0000eda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA8 | 10828 bytes |
SHA-256: 19fc7e2c8e190cbe371b83418f0c1b881c1f601c6fe3e1438a8045bece4f4207 |
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font_01_sfnt_off0001067c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E8E | 18624 bytes |
SHA-256: 979ac29863ba6295aa6976b578795b37d7b99fb6b595aa2b0f1280c693f40fd8 |
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