MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or trojan delivery mechanism. The PDF contains numerous embedded URLs pointing to various domains, many of which are likely part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to redirect users through multiple sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://phulieumaymacbaoco.com/hinhanh_fckeditor/file/45127211307.pdf In PDF document text
- http://erdbau-rauch.at/15504775226.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/sawujojesopozafexor.pdfIn PDF document text
- http://simsvizag.com/admin/uploadedfiles/file///52932564691.pdfIn PDF document text
- http://www.puhito.hu/uploads/tapoxaxig.pdfIn PDF document text
- http://globalbizkorea.com/userData/board/file/30471793082.pdfIn PDF document text
- http://unionnutritech.com/upload/files/zosevi.pdfIn PDF document text
- https://il-gusto.com/images/file/kogawibufivonotixusu.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/9d868dbd0972d95d06394bea11522a06/ladolivifibalur.pdfIn PDF document text
- https://fetogram.com/images/upload/files/pevijozelife.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/1613431905.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/dad23228f48437b50e9b321ba861737f/sederinigajuledoz.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/vuwosetep.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/tarigipiwo.pdfIn PDF document text
- http://tradotel-riviera.com/file/19417480483.pdfIn PDF document text
- https://www.passion-rnd.com/upfile/files/2021/09/14/juguzaza.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/4480189698.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-6/20210906022514211008.pdfIn PDF document text
- http://canvangdientu.com/images/file/30674835711.pdfIn PDF document text
- https://kalendarz.probik.pl/fckeditor/userfiles/file/nexasototawedexifuwatifa.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/wibeximolaruvujuk.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/29033838970.pdfIn PDF document text
- http://xfswchem.com/upload/files/mebaximunaf.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/46917015377.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hd+wallpaper+for+s20+plusPDF 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_off0000d875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD875 | 10616 bytes |
SHA-256: e99f1bc49656bedcf63865939ed8947918b68a00aa83b1d23cef38921c2d689b |
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font_01_sfnt_off0000f0f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10908 | 19548 bytes |
SHA-256: 3647fe96430785357f31b8a88de077c7e639d77cdd56c06beb3e3e914ff3559d |
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