MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised or disposable domains. This behavior is characteristic of a link farm used to distribute malicious content or conduct phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.ez4parcel.net/upfile/files/2021/09/07/84540626947.pdf In PDF document text
- http://drprdesaihospital.com/uploads/85915592237.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b838c7cb9f---fitudagofowaxemaseku.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/vegetalafukolitefiwivijaj.pdfIn PDF document text
- http://soncongnghiepjotun.com/media/ftp/file/6150968598.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/mitajekobafidokebobek.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/35870695523.pdfIn PDF document text
- https://vilus.cz/userfiles/file/34577324857.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/fv90ea5u6hb92p7k5c6tsmnjof/kukidij.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/92522553241.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/u2603kqbg144m86038brvok50u/14493351670.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613886a74a7b7---gajokovarasifimusi.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/xozawamabisuvesavulakavut.pdfIn PDF document text
- https://mami-m.com/Uploads/userfiles/files/nuvamo.pdfIn PDF document text
- http://cansuyu.org/resimler/files/zutuf.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/9892158404.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/67676745264.pdfIn PDF document text
- https://sanmuabancongty.vn/images/content/files/gosorinajare.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/legupuvifamemikixadim.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/32391012127.pdfIn PDF document text
- http://studiogaleazzo.eu/userfiles/files/59126108239.pdfIn PDF document text
- http://studiotecnicoligioni.com/userfiles/files/zotedalutetobis.pdfIn PDF document text
- http://uco-kampen.com/media/files/22038446875.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=android+world+appsPDF 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_off0000edc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000105d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D7 | 17180 bytes |
SHA-256: ad715ee2b386dc208810b50f8ead6288690a7174447508d04fdef786f22311aa |
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font_02_sfnt_off00013231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13231 | 10220 bytes |
SHA-256: fac555b08eda5b6a45056a49b3c97e739e7e1a6151dea4ebf8e0d687b59f1fee |
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