MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to disposable hosting and exhibiting link farm characteristics, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a spearphishing attachment, likely leading to a second-stage download or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://drafthe.ru/uplcv?utm_term=conjugate+servir+french PDF link annotation
- http://sanitaerprofi.ch/fckeditor/editor/images/file/10392461066.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/zidafezavezemivebokokurik.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/63268952898.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/gijomivuzefezomu.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/94475979074.pdfIn PDF document text
- https://www.ventisilva.com.br/ckfinder/userfiles/files/27089096257.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614457766041a---40455892691.pdfIn PDF document text
- https://fainitelecommunication.com/public/editorfiles/file/xelawavigarusor.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/dikuvifewikujowirow.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/79711270851.pdfIn PDF document text
- http://goldendoodlesofthesierranevadas.com/userfiles/file/60765209639.pdfIn PDF document text
- http://stluciachamber.org/uploadedImages/contentImg/file/42208101920.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/ragafefiniwepinitupaxav.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/satenabigikaxufosu.pdfIn PDF document text
- http://rockhousemethod.com/ckfinder/userfiles/files/podalaw.pdfIn PDF document text
- http://chemicalengineers.ie/images/vufodojurebadofol.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/kuviteguru.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/ruzanuzuxanikidinazifo.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16132312e66db9---feguxu.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/39316214080.pdfIn PDF document text
- http://makassitools.com/userfiles/file///polojaruke.pdfIn PDF document text
- http://unitedpetexpress.unitedreloth.com/ckfinder/userfiles/files/jaxigitadixumusigawinan.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/1129743718.pdfIn PDF document text
- http://dreiseengrundschule.de/files/92583521354.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/13356883745.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://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_off0000e9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A0 | 10896 bytes |
SHA-256: b75a90a9a88211c2b44935753c092947987bdf6c9b33cbbf9139379f28934ba5 |
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font_01_sfnt_off000102d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D9 | 18036 bytes |
SHA-256: 45c7fcc65cda100b82b5f27818eb01b6e5466b230779219bc4d86b3aeb0471c5 |
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font_02_sfnt_off00013245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13245 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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