MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to suspicious PDF files on various domains, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further indicates a pattern of using disposable hosting for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://zakuskymoser.cz/www/ckfinder/userfiles/files/69051068536.pdf In PDF document text
- https://digireg.si/upload/tubapag.pdfIn PDF document text
- http://stringladies.cz/userfiles/4217966891.pdfIn PDF document text
- http://christmaslandint.com/userfiles/77898952088.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/wogefozu.pdfIn PDF document text
- http://packamate.com/userfiles/82638925001.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/74674238166.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/uav7pcqsktldoevqqp38u6b74o/98392196580.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/bidufavuliwigireberi.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jemikewifoxesevesetiluf.pdfIn PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/jefajawifezobexo.pdfIn PDF document text
- https://khambenhxahoi115.com/images/files/65967824015.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210911221521.pdfIn PDF document text
- http://dailythang.com/userfiles/files/46375578022.pdfIn PDF document text
- http://www.smpnuenen.nl/images/files/sigakejigivok.pdfIn PDF document text
- https://people11people.com/uploads/File/feriwoxowitegikap.pdfIn PDF document text
- http://ooexperience.be/assets/Image/files/45012883685.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/74117041129.pdfIn PDF document text
- http://toszegisuli.hu/userfiles/file/runopinezitosedirogibiri.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/88513568262.pdfIn PDF document text
- http://tincorner.vn/uploads/files/kudifudalamulaxumusari.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136410be818e---99534743606.pdfIn PDF document text
- https://tmtteks.com/files/xamopesapajezamofo.pdfIn PDF document text
- http://dwornawodzie.pl/userfiles/file/18631397484.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=tubemate+online+for+pcPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ccda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDA | 22076 bytes |
SHA-256: f9aaa885bec0b5534a76d4c2806e8a66a171c555949792240c04adc455dd96ca |
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font_01_sfnt_off000106dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DC | 16232 bytes |
SHA-256: e06ebeaa2bb94d9bf14337b0794fec2c9c4a66e30291689b6f6234bfe360c8a5 |
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font_02_sfnt_off00011cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000134d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134D6 | 10676 bytes |
SHA-256: 79df52fdc3c0d5c7f8249604d983c18efe07cc4323965337d7d68e506d2f9d49 |
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