MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on disposable domains and appear to be part of a link farm. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document's intent to trick users into believing they need a password to access an archive, a common tactic for evading security scans. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ketchas.ru/uplcv?utm_term=cara+extract+file+rar+di+hp PDF link annotation
- https://khoahoc.timviec365.com/picturesfiles/suwetezup.pdfIn PDF document text
- http://sourceandsecure.com/uploads/userfiles/file/11891298642.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/jegibupenidabikutodabo.pdfIn PDF document text
- https://bevillelecomte.com/ckfinder/userfiles/files/41215441679.pdfIn PDF document text
- http://apmnir.ro/fckfiles/file/naxowe.pdfIn PDF document text
- http://winso.tw/userfiles/file/fuzenazogovirazoj.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/23399947844.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143cbbaa629f---jozimixibifotefijij.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/92969675928.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/medumures.pdfIn PDF document text
- http://hoachattn.com/image/files/81764969874.pdfIn PDF document text
- http://sp2wronki.pl/fotki/fotki/file/kanexutijosigato.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9fa05ada9---37476593244.pdfIn PDF document text
- http://bndweb.nl/upload/files/56464821181.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/74107572887.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/togobun.pdfIn PDF document text
- http://scpt.it/userfiles/files/65807560019.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/laxovekirujopisomidi.pdfIn PDF document text
- http://zechnerbau.at/images/content/files/sizibiwu.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/79508019377.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/gozeruburesewobikosogivor.pdfIn PDF document text
- http://www.s-prom.si/fileupload/file/40469459814.pdfIn PDF document text
- https://pragatitic.org/ckfinder/userfiles/files/42334235722.pdfIn PDF document text
- http://ghinelliarchitettura.it/userfiles/files/vamupozadejolavex.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_off0000d7bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BB | 17272 bytes |
SHA-256: b5abc7863678d743919e1dc7a899eb73deca612e313e2e054d3f9fc8e1663b23 |
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font_01_sfnt_off000104e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFC | 10456 bytes |
SHA-256: c83219e262f725cedecf09186cf4d1369cacfd0614aa3ed6eb4861228d2c771f |
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