MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple external URIs and a link farm structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://xosobacninh.vn/webroot/img/files/75039841387.pdf In PDF document text
- http://ekotop.eu/userfiles/file/58200866788.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/pipubakonokudazowunojorun.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16130c1a27a8b4---soxoti.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/rejawutovinofajutadalire.pdfIn PDF document text
- http://vetusmeter.com/images/upload/File/42916162527.pdfIn PDF document text
- http://bellamy.tw/uploads/files/202109021658318665.pdfIn PDF document text
- https://webtechnocrats.com/upload/file/lugod.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/50399490162.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/bukedaresufedunab.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/52956143957.pdfIn PDF document text
- http://tranindo.com/Uploads/userfiles/files/1876251269.pdfIn PDF document text
- https://termokingbt.com/ckfinder/userfiles/files/sexazotivufuvunun.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/mipojiloxexosix.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f73f2b9c42---xakuxidinuw.pdfIn PDF document text
- http://taispacedesign.com/upload/files/wusilatinawiwududexikin.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/enpcdr3j85nfeh80ionbabn2f5/34540161714.pdfIn PDF document text
- http://dpholding.ru/uploads/files/70957434875.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/fizojomepebamagiwoxenusis.pdfIn PDF document text
- http://eraldocomo.it/userfiles/files/tipitivivexulezubuxad.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/jevizemidofanelumim.pdfIn PDF document text
- https://safewatersolutions.in/ckfinder/userfiles/files/65874416991.pdfIn PDF document text
- https://cjsc.se/ckfinder/userfiles/files/57073443885.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=barrister+babu+onlinePDF 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_off0000c445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC445 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC57 | 17000 bytes |
SHA-256: 9ac2ba29e8f606bed91b619af3fdd0f0b56d07fa6eb3f0bb52d1b46ef9979786 |
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font_02_sfnt_off00010825.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10825 | 10396 bytes |
SHA-256: e68ba4020ef00bb8d0b644e76258f7f8eec9988aa714910a89ce3a9b686c8a17 |
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