MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, some of which are identified as link farms, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://ketchas.ru/uplcv?utm_term=zmiana+g%C5%82osu+podczas+rozmowy+android PDF link annotation
- http://sladkiy-ostrov.ru/userfiles/files/66642203846.pdfIn PDF document text
- http://sbriz.ru/userfiles/file/woruwadelovurilubu.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/27488324164.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/jejejip.pdfIn PDF document text
- https://viettrungson.com/media/Files/51043693273.pdfIn PDF document text
- https://molecult.metallo-tests.ch/sites/web/upload/files/xeriwutiwur.pdfIn PDF document text
- https://facades-et-traditions.com/actualites/file/34483967030.pdfIn PDF document text
- http://www.lovebliss.tw/UserFiles/files/25733150183.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1b3a170ca---45877255851.pdfIn PDF document text
- https://adeptos.clevercloud.pt/images/items/files/48302308906.pdfIn PDF document text
- http://cainghienbinhduong.com/uploads/userfiles/file/rezalanorurilik.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///kurulovakaxojagof.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/tuvusoraramugos.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/buwovekofokogudikogofawot.pdfIn PDF document text
- http://bidadapatidar.com/userfiles/file/sirejipikadibisekogepasa.pdfIn PDF document text
- http://ibookingkr.com/FileData/ckfinder/files/20210903_498D6F0988585142.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139d338e0fcf---lovikojovekuse.pdfIn PDF document text
- http://studiofapas.it/userfiles/files/wenirukib.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/jusowojako.pdfIn PDF document text
- http://atek-ent.com/upload/file/97144793475.pdfIn PDF document text
- https://luatsubienhoa.com/upload/ck/files/memefoxugotomujuraw.pdfIn PDF document text
- https://stephan-kratt.de/data/reiterhof/userfiles/file/1336139802.pdfIn PDF document text
- http://spzpoz-zdunskawola.pl/upload/file/voravas.pdfIn PDF document text
- http://seowonbattery.com/files/fckeditor/file/203934626861332591d6a50.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://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_off0000b928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB928 | 16084 bytes |
SHA-256: e0cff31664e992bc2b5d69a82edd567f11df5353348c360eb757d00a921eecf7 |
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font_01_sfnt_off0000e122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE122 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF939 | 10972 bytes |
SHA-256: 1669ccdeeff415453bcdc2b6c6e28ca5e8a0e7f9de0c3c87492022ff46fc0e21 |
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