MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution attempt. It contains numerous embedded URLs pointing to suspicious PDF files on disposable domains, suggesting a link farm or redirection scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the overall structure points to a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://hydrem.ru/images/file/koseropofubevaxuxuforimiz.pdf In PDF document text
- http://artdental.hu/editor_up/dotubexesuvadenawuvep.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/60937853246.pdfIn PDF document text
- http://rc-modeller.se/images/file///lozodewitokurivanutajiv.pdfIn PDF document text
- http://eiak.org/upload/editor/files/weguwizimorokapijuxuxu.pdfIn PDF document text
- https://tectrongim.com/uploads/files/xikaropo.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/68813034858.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/87967002285.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/nixuvawagodobejujup.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/winivoritolinu.pdfIn PDF document text
- http://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/bifumefufug.pdfIn PDF document text
- http://starinviter.com/ckimagefiles/71336915498.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/melefivuku.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1631849812.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/piwozakarinimibugelofoxes.pdfIn PDF document text
- http://uniontsg96.ru/admin/ckfinder/userfiles/files/17908316562.pdfIn PDF document text
- http://shortguycentral.com/ck_uploads/files/57084731720.pdfIn PDF document text
- http://www.likoda.com.tw/upload/ckimg/files/gixolepodenuwesot.pdfIn PDF document text
- https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/74755102380.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/xenupubanazaguwulopibezek.pdfIn PDF document text
- http://thsport.dk/ckfinder/userfiles/files/78655196857.pdfIn PDF document text
- http://lex.tj/img/file/99664581956.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343af70a91a---lorixetupevatipibas.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///93506274869.pdfIn PDF document text
- http://bulongvungtau.com/media/ftp/file/faxobejorukedodorotoviga.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/vatarepazenabidudajedunas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=telephony+in+androidPDF 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_off0000f1b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D0 | 10300 bytes |
SHA-256: 23eb37ef28b0ffd6894ba03cea9f092a086435612d25894489abec71a969889f |
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font_02_sfnt_off000120e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E4 | 17748 bytes |
SHA-256: 86e9b2271771146edc7bb35a1e1e2e0e258e34753e597f6536cf11f936f43fd4 |
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