MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document contains a high number of external links, many pointing to PDF files on distinct domains, indicating a link farm. While no scripts were extracted, the structure and heuristic firings suggest the PDF is designed to lead users to a network of potentially malicious or SEO-abusing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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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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://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/96942033648.pdf In PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/161311fe91497a---vejukavubakanozefo.pdfIn PDF document text
- https://rajakeempat.com/contents/files/64839729545.pdfIn PDF document text
- http://whdhgs.com/uploads/file/20210901223807613.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/81567910390.pdfIn PDF document text
- http://solemarservizi.it/userfiles/files/riwoxuzepuji.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/71156464900.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/98932257129.pdfIn PDF document text
- http://a-pluset.com/userfiles/nitowovupaxelawisupapud.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/nujuj.pdfIn PDF document text
- http://cy2hand.com/userfiles/goduzuwevuxef.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/segitigokupe.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/68096238286.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/40780214986.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/vurivowopivudunuvodujogep.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/kemeresusupebetofigejow.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7e460df02---xodafegaxewenozepimip.pdfIn PDF document text
- http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/gerunepujejunezin.pdfIn PDF document text
- https://rux-thai.com/ckfinder/userfiles/files/18073059758.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/litimalosesakasofix.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/rufajapakabemo.pdfIn PDF document text
- http://sungwoo-n.com/userfiles/file/19323317416.pdfIn PDF document text
- http://handsonmontessoripk.com/userfiles/files/92040226643.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=turn+off+safe+mode+xiaomiPDF 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_off0000c1ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1AE | 16628 bytes |
SHA-256: b1cf3402fbd5fda54b5a1b476d18dfc112b6b57a10958764e48fcf46298b8f0b |
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font_01_sfnt_off0000eba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B8 | 10536 bytes |
SHA-256: e5b092af064a720021065c3a5f17344b9ca020995a6da148cad2ce38c588baf8 |
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