MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://federicozucchettiarchitetto.eu/userfiles/files/bagujanelebitulefupivupaf.pdf In PDF document text
- https://alihuata.com/userfiles/file/82536722891.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/82630081154.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/7035942153.pdfIn PDF document text
- http://nature-revive.org/files/file/68868921338.pdfIn PDF document text
- http://elitacasa.it/images/file/jegobizavifawibawu.pdfIn PDF document text
- http://modernplating.com/userfiles/file/kixopinijopiwuperevi.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210908223320.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/xogowojupifef.pdfIn PDF document text
- http://bn-biz.com/userData/board/file/titubomajewasavex.pdfIn PDF document text
- https://aymfly.com/aym_image/files/tisisubiwa.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615cf66452b13---pafenutesezozuturemiti.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/botukeboji.pdfIn PDF document text
- https://pielinks.com/UserFiles/file/70134889719.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/dabogelurujibubuxewosif.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16150755b2e07f---62491762839.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/lafamogimuk.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/penaxekisezepetezirukebij.pdfIn PDF document text
- http://huyndaicaudien.com/upload/files/39621415578.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/nafigonalegeni.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/2b7fc616df9be8f39d00190f9ec9dfed/savepo.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/dajebiwujewabozudok.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/61913199410.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=homemade+lo+mein+noodlesPDF 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_off0000ea19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001022b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022B | 20700 bytes |
SHA-256: ec000c92256a034b20b2f34a51e95f2ab848aa2a2a1332e4628183f90aadb596 |
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font_02_sfnt_off000137c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137C1 | 10204 bytes |
SHA-256: 531badacac5575e9d983187992080dd99bf456e5d715e7278b5ee97245321ce8 |
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