MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm with numerous URLs pointing to other PDF files hosted on compromised websites. This is a common technique for distributing malware or conducting phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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 http://hbaoge.com/upload/files/22695438078.pdf In PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/c704fa3439da300a1e40b1ce5841e965/ravipajazuji.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/zulexuza.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/jufirero.pdfIn PDF document text
- http://lingvastar.z-i-g-z-a-g.com/userfiles/files/xexidukik.pdfIn PDF document text
- http://yokosohk.com/files/fckfiles/file/surisowuxi.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef30cb04bf---8903077686.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/41942584289.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff3fd17375---41452756739.pdfIn PDF document text
- https://ngenadmin2.nextgenphotosolutions-beta.com/app/webroot/files/file/bulujimawam.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/puliv.pdfIn PDF document text
- http://first-group.kr/ckupload/files/88161802678.pdfIn PDF document text
- http://topspeed4wd.com/ckfinder/userfiles/files/wokiresepizijipunarew.pdfIn PDF document text
- http://kmsenior.org/file/files/limujuloxupo.pdfIn PDF document text
- https://tunguoilon.tunhua.vn/ipp/images/uploads/files/nafamevagenasisulurape.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/79858248160.pdfIn PDF document text
- http://bantinnhadat.com/users/files/26481651390.pdfIn PDF document text
- http://euskararenginkana.eus/files/galeria/files/kokaw.pdfIn PDF document text
- http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/96405302297.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed15758503---josalo.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/bodig.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/bezuwij.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=can+we+connect+mouse+to+android+phonePDF 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_off0000e8f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F2 | 17620 bytes |
SHA-256: 4cb2e1134f6b0a26b2ccd02b36375ec98d1dab8f741f774aec34155a9cf65a37 |
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font_01_sfnt_off00011703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11703 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F1A | 10952 bytes |
SHA-256: ac591247bbc741ffd4acc0152f6cfddb9bcce9d447ee7b89309d1d51f7f4f033 |
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