MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://docando.es/js/ckfinder/userfiles/files/netadelu.pdf In PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/80192951261.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/1ddb605e4c3cc890134958dec9a879b0/25490248245.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614af1c91a77d---bisosunoro.pdfIn PDF document text
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dewanodajalizula.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210907135102189.pdfIn PDF document text
- http://hennel.hu/sources/elemek/file/67858174004.pdfIn PDF document text
- https://anukulagrotech.com/ci/userfiles/files/45835074701.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/fugepa.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/xelilojanawabatoziw.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/26540155404.pdfIn PDF document text
- https://i-chat.tw/js/ckfinder/userfiles/files/42188121016.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/8327043614.pdfIn PDF document text
- http://xaydunganphubacninh.com/webroot/img/files/mobomiwapujemiwidoxuxude.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/58255217259.pdfIn PDF document text
- http://goldenagegroup.vip/userfiles/file/tawizoludeduxuv.pdfIn PDF document text
- http://serenetour.com/image/upload/File/beganitatutagipewo.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/79552612494.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/34878656891.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/wowirasodugifudidelen.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161330bd148a25---37995176595.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/vvh6e897p1n098pous0demuak9/32164912110.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=r+kelly+imagine+that+free+mp3+downloadPDF 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_off0000aea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEA2 | 11284 bytes |
SHA-256: ecb7a800fb8e172614fd567eaadf15f69efde2d41562991bdc9694b9c5416532 |
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font_01_sfnt_off0000c8c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D6 | 16720 bytes |
SHA-256: f80861d7f21700af0cbdeab9a7816adbc477b36109aeed5ca59363d9e8531b3b |
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