MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF sample 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 embedded URLs pointing to potentially malicious or unknown domains. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://ch-bovi.com/upload/files/nebomufuvepemijudana.pdf In PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/37753164534.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/808189974.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210909172246_2099082502.pdfIn PDF document text
- http://mariondhuique-mayer.com/data/file/50011204222.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/51164527965.pdfIn PDF document text
- http://holzweiss.at/mabuk.pdfIn PDF document text
- http://szpitalstrzelin.pl/userfiles/files/45390235813.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/63358452492.pdfIn PDF document text
- http://checopharma.com/upload/files/9592224102.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/70908263043.pdfIn PDF document text
- http://www.urbanwaterways.info/files/tigetixabigal.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/56933824439.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/19056786235.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137293916cf8---mekegenafaxasisifad.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021091101253473499.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/vowewizumarevafixilemolo.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/7793559199.pdfIn PDF document text
- https://clap-bas.com/userfiles/file/6946787193.pdfIn PDF document text
- http://kmbb.at/userfiles/file/barowalixomewoxepororinu.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/bijajuzinegujebiwozefuvi.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/mumebumiwug.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/wonikikavafuleg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=godzilla+papercraft+pdfPDF 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_off0000ae73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c68a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC68A | 10440 bytes |
SHA-256: 1389287901ebe13d9ea777b96250c87f444cf406fc4b955dccf97f25032ef6de |
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font_02_sfnt_off0000de61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE61 | 15360 bytes |
SHA-256: 1d4e137428efdd778861db5dbba60bc43706772462292fa57628a3fa5a0c080c |
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