MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. It contains numerous external URIs and embedded links pointing to potentially malicious domains and IP addresses, suggesting a phishing or malware distribution scheme. The PDF structure and embedded content are consistent with exploiting vulnerabilities or social engineering tactics to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://chcial.ru/uplcv?utm_term=first+angle+projection PDF link annotation
- http://citescolairedeledit.com/include/file/75786959766.pdfIn PDF document text
- https://raghuvirtrading.com/userfiles/file/1941477999.pdfIn PDF document text
- http://mail-business.ru/uploads/file/mewurig.pdfIn PDF document text
- http://kant21.com/userData/board/file/76829857487.pdfIn PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/10770786891.pdfIn PDF document text
- http://elitvorota.ru/f/file/29201288213.pdfIn PDF document text
- https://phr4u.com/files/xajaroga.pdfIn PDF document text
- http://sga.cc/uploadfile/file///2021100117000475.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/14e02637ebcadc19584c91049ce35535/69084174489.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/35689400110.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/3214025330.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/96885684104.pdfIn PDF document text
- http://ccadl.com/files/20210919230342.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/77327648661.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/40659286422.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/jofojotajebigigelora.pdfPDF link annotation
- http://drsuthichai.com/userfiles/files/39786543407.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/65329472750.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/kodazijixiwuwirunot.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/gisememogogifi.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210915_1F0CD51E53549B4E.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/8901691597.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/33964719789.pdfIn PDF document text
- https://apsco.ly/userfiles/files/noxidovaposigigasilonej.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/zelutapolosofixedixe.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_off0000b7cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7CC | 15072 bytes |
SHA-256: 77e847a6e56e24556c4e4212e014894e25b494a75dedbdc3f994a75ca2e85754 |
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font_01_sfnt_off0000dd99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD99 | 10656 bytes |
SHA-256: 42aac499fc13253eb3839257fd6500a276165818cfa33cc6105ddaeee0b20644 |
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font_02_sfnt_off0000f61b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF61B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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