MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to disposable domains and exhibiting characteristics of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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=how+to+turn+android+phone+on+without+power+button PDF link annotation
- https://weeb.nu/userfiles/file/janegekanobukitezenuno.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/41781400319.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/21cc694cfb33ec9512faaaedb3e58fec/salepobikiziwe.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/kaburubaxokutola.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/16814327990.pdfIn PDF document text
- https://internationallanguagenavigators.com/media/minegupevimusoz.pdfIn PDF document text
- http://herve-coiffure.ci/files/sexota.pdfIn PDF document text
- https://rougezenekar.hu/files/file/bajonusezulinikubanebode.pdfIn PDF document text
- http://sentai.cc/data/file/20210912_070425_344.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/38309712231.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/xijewa.pdfIn PDF document text
- http://chroscina.com/userfiles/file/49755417212.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613040cc5bc86---84706910176.pdfIn PDF document text
- https://onlineadda.net/ckfinder/userfiles/files/44109058382.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/ditukokumubibexitaloxebi.pdfIn PDF document text
- https://classoft.ro/userfiles/file/20891871418.pdfIn PDF document text
- http://midel.me/userfiles/file/20618474947.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/tolasezusevimoxen.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/35303144270.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///57631843999.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/jovoxujutoselokufek.pdfIn PDF document text
- http://desushibar.com/userfiles/file/10747152391.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_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 18468 bytes |
SHA-256: 2dfc1aa252fdb8da5fe82916ca217e28b6046e8c397c512daa05f7f1b1696f91 |
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font_01_sfnt_off00010d5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D5B | 10592 bytes |
SHA-256: cc3b0138c0f40cecd959818707259108f24301a299102171d35e30957132dc60 |
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font_02_sfnt_off00012539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12539 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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