MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external websites, many of which are hosted on disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to redirect users, likely for phishing or malware delivery. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://garglob.ru/uplcv?utm_term=lignin+meaning+in+english PDF link annotation
- http://aexpress.lv/index/images/up/file/82423531370.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/rivufe.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/24733198973.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/jiwumodosagabofifeboti.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/99708932818.pdfIn PDF document text
- http://benly-carson.com/product/files/jilopa.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/zabeniwaroxotikuwupiso.pdfIn PDF document text
- http://berbun.com/user_img/file/nujonarololasadetem.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/5021041732.pdfIn PDF document text
- https://taxinamdinh.com/data/dulieu/files/vubesadetawakusugofupav.pdfIn PDF document text
- https://nothingbutsafetyglasses.com/userfiles/file/64495014890.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/3026937999.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210918182217.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/roxunedujadelokuso.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/aafcb75e83163460ddb3fee29618dedb/wibufumijib.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/vixirile.pdfIn PDF document text
- http://mybyblos.com/userfiles/file/subafolebuzupijoboxeti.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/kijuxozorulimiwanux.pdfIn PDF document text
- http://nhahanghienminh68.com/upload/files/82647947168.pdfIn PDF document text
- http://etre-belle.su/images/file/dadafubavolalamujijuvevi.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/11586281632.pdfIn PDF document text
- http://dailygameresult.com/editor/UserFiles2/files/narotido.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_off0000ad61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC573 | 17412 bytes |
SHA-256: 56aaf82a4b3117021162ef6f3045dea03214a463b0cabd6f810137617d0b43e7 |
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font_02_sfnt_off0000f194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF194 | 10196 bytes |
SHA-256: 261eb013320067057bdf2f9ed307bb311436e164e2e604f648f48730e9c887ca |
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