MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one specifically pointing to 'inwebjor.ru/uplcv' and another heuristic identifying it as a link farm on disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its direct lure, but the presence of many external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://inwebjor.ru/uplcv?utm_term=mobile+credit+card+machine+iphone PDF link annotation
- http://qdsenfeng.com/data/files/49188441026.pdfIn PDF document text
- http://asremajazi.com/uploads/files/kiduruvojuzifud.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/2614387371.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/vusesosa.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/ramosesedorag.pdfIn PDF document text
- http://giasuthienphuc.com/Images_upload/files/zunerodejefukakefomage.pdfIn PDF document text
- http://kurier48.pl/files/userfiles/file/zotakowipanujo.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210902023730_amiuh8.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/1258666651.pdfIn PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/tudotusuxawaruduvoloxaru.pdfIn PDF document text
- http://cableesmaltado.com/d/files/korapawusisiwodin.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/58333701495.pdfIn PDF document text
- http://kripasec.com/userfiles/file/95751526437.pdfIn PDF document text
- http://elskenecologie.nl/files/zowudek.pdfIn PDF document text
- http://peak-experience-europe.com/images/blog/file/2545889942.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/dekakotitosajipiru.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/4677553625.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/33169475475.pdfIn PDF document text
- https://asmitahrgroup.com/ckfinder/userfiles/files/gefigujenoko.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/57475859856.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134df9e3263c---dowunogam.pdfIn PDF document text
- https://pasarangroup1.com/contents/files/81375978089.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_off0000de6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6D | 17408 bytes |
SHA-256: 1dd2a47f6eb1e4ae04d19cc6f44ca49b9a16dfbe60eddf546ae6b7074e68b4bb |
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font_01_sfnt_off00010baa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123C1 | 10744 bytes |
SHA-256: 70ae32b75b0668683195e190455fd2bf9401bdcd87adc0485eaaa17ce641a62e |
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