MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs pointing to external domains, many of which are structured as link farms with UTM parameters, suggesting a phishing or malware distribution attempt. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, indicating a pattern of hosting many links on disposable domains. No scripts were extracted, but the overall structure and URL distribution strongly suggest a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://crewmak.ru/uplcv?utm_term=surface+vs+ipad+vs+galaxy+tab PDF link annotation
- http://ytlcases.com/userfiles/file/42459875787.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/mulobopeg.pdfIn PDF document text
- https://chinese-wall.tw/upload/files/ronuviwevamarumig.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613efe4dd920d---44950133465.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/nojomazupofewomowa.pdfIn PDF document text
- http://twfindia.in/userfiles/files/pubopunasugigi.pdfIn PDF document text
- http://www.moyekolodin.com/files/81875495991.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/6shcoos8fsn6sacbevj3dvnuo2/34978056238.pdfIn PDF document text
- https://2acontractor.it/images/file/50437709838.pdfIn PDF document text
- http://techscreening.com/userfiles/files/dopabix.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/82924035459.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/lixijibotaduvelerakex.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/2351821123.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/bodafulufuleg.pdfIn PDF document text
- http://wildzipper.com/clients/wildzipper/userfiles/file/gewes.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210909_C344EB0FBD26E3DA.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/2709366743.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16132c68fe9543---40391075262.pdfIn PDF document text
- https://kovtec.pl/eurostyl/photos/file/rugalaminawu.pdfIn PDF document text
- http://secretinvitation.net/images/files/tatalowenotakuzeluribemu.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AC | 16456 bytes |
SHA-256: 6d1e1e9be9d04b56c5df4c73ffc5fc395e0352e0722588cbb0aa0b32d87ed001 |
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font_01_sfnt_off0000e99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99A | 11168 bytes |
SHA-256: a1341529c698693294d12c363230437e71c69871817a0d29a30ffcdbdce31dad |
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font_02_sfnt_off00010375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10375 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00011b87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B87 | 25368 bytes |
SHA-256: a39a6e5f745f4c51aa981e2fa8d0cc79a20090b007b02e2697de1048caca75cd |
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font_04_sfnt_off00015a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A8D | 1936 bytes |
SHA-256: 581ee6410b39f3fc3c0b7eee44a1f688a16d32601ddb4ff915e7da4a385d4a1a |
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