MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this intent. While no scripts were explicitly extracted, the presence of PDF URIs and the overall structure indicate an attempt to redirect users to malicious content.
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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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://cructi.ru/uplcv?utm_term=old+phone+data+to+new+phone PDF link annotation
- https://desense.eu/uploads/wysiwyg/files/gegibesi.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/pazufix.pdfPDF link annotation
- http://cupta.org/userfiles/files/20210911023055.pdfIn PDF document text
- http://emaaravm.net/upload/files/10263343029.pdfIn PDF document text
- http://manu-transport.com/documents/file/tisanijutabov.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390fd93bb94---6054653989.pdfIn PDF document text
- http://propack-th.com/image/upload/File/weganaromakutupogutare.pdfIn PDF document text
- http://jonme.net/ckupload/files/mamukoxe.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/welirutasevesuravunofake.pdfIn PDF document text
- https://classoft.ro/userfiles/file/vubelesugaxemewopejenili.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/sokanofoneju.pdfIn PDF document text
- http://randoquad72.fr/userfiles/file/viwaxidozexamipiriw.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/tibexuposoruxobobu.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/rajanunomosadizanariwid.pdfIn PDF document text
- https://drproperty.in/userfiles/file/285250941.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/paliwovifafefon.pdfIn PDF document text
- http://boldino-hotel.com/ckfinder/userfiles/files/zoveli.pdfIn PDF document text
- http://vlajkylevne.cz/UserFiles/File/tiragetam.pdfIn PDF document text
- http://skrutit-probeg.ru/upload_picture/file/wejurizudilitozesonuxezuz.pdfIn PDF document text
- http://neodentpetrosino.it/userfiles/files/rugexavizin.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/budego.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/97190956831.pdfIn PDF document text
- http://standardamulet.com/files/files/devevutatuvaludufolugepe.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_off0000cbbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBE | 10240 bytes |
SHA-256: 5f9ba2a4da38586ca58b373ceebf9a5ee000fe022a801501b935873c1a813c0a |
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font_01_sfnt_off0000e2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B8 | 16796 bytes |
SHA-256: 670f16ea8e8506e332915d9b411318b504848b97d6cae1ca612764d16de9d593 |
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font_02_sfnt_off00010e09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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