MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URIs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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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://infrive.ru/uplcv?utm_term=gta+v+phone+hacks PDF link annotation
- http://zehanbiopharma.com/upload/files/91082177211.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325a671e819---12685953438.pdfIn PDF document text
- http://www.urbanwaterways.info/files/fidajuzedor.pdfIn PDF document text
- http://a2hgghk.handylover.com/upload/files/bopaguremora.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/51436198311.pdfPDF link annotation
- http://peknanevesta.sk/media/file/kelukatazag.pdfIn PDF document text
- http://nguoiquangphianam.com/uploads/files/63476737585.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/pemuk.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f0d138abb3f11b6017303fcd07f95d18/90122753351.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130bb3184382---67567674414.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/79773429276.pdfIn PDF document text
- https://corpus.bg/files/fck/file/5286351871.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/kewuvalalero.pdfIn PDF document text
- http://hainfelderteich.at/47641396540.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f5c7035f4---wikurefifidukemopeja.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ef5f2c250---4417671005.pdfIn PDF document text
- https://ottopianos.nl/files/sevazeviniranesiru.pdfIn PDF document text
- https://songhongresort.com/img/files/xikaxo.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/88612927051.pdfIn PDF document text
- http://hibertek.com/image/files/20210903_184724.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae6d0582f2---84484148480.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/nuzafipo.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/doxenutubodukexeterowo.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109091743305517.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/29741658861.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_off0000dd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD36 | 10432 bytes |
SHA-256: 2d2dc98693157a9b4d819037ec5308ffe72dc0be7c753d78187f9950ba78e86d |
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font_01_sfnt_off0000f4e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E7 | 17248 bytes |
SHA-256: d4c849b3ae83eb015597752571574ba04b4bdd6cd946d0d57056b2fdb59901f1 |
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font_02_sfnt_off00012175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12175 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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