MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://fiscalonline.eu/app/webroot/files/userfiles/files/89253823849.pdf In PDF document text
- https://vanvoorst.info/uploaded/file/vexixubiwaru.pdfIn PDF document text
- https://dampinggame.com/calisma2/files/uploads/9296846251.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/89452751288.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156edfeeb108---zozixalupiwo.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/46616176244.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f78398d104---tojares.pdfIn PDF document text
- https://tumsad.org/img/editor/image/file/62227952635.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f39a3d5eb4bf9c7403c2b108c4b1c5d5/44084342483.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/xavorafelodon.pdfIn PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/69157742171.pdfIn PDF document text
- https://tierlistei.ch/downloads/55214033234.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/97683730934.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/92190512145.pdfIn PDF document text
- http://akinmedical.com/uploads/file/zoximirupezuxi.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/butigoli.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a237def91---7610292402.pdfIn PDF document text
- https://tidaksusah.com/contents/files/duxuvira.pdfIn PDF document text
- https://sentinels.ro/userfiles/file/jarefi.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1615367827e729---80663518263.pdfIn PDF document text
- http://herbwaterthailand.com/userfiles/files/mevejosatofufabugibu.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/jiwizugavafezalesur.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/68667590568.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/c0lntcj6bsnchpis9v274as0q6/32696436394.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/lilidenisonisupojesajuzo.pdfIn PDF document text
- http://raegcafe.com/uploads/files/32827532098.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=eric%27s+barber+shopPDF 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_off0000e8a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A9 | 10380 bytes |
SHA-256: f7977bc7c313494c444e495b8b8f573c7cd4f7f941518ed266e44f8f2805a631 |
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font_01_sfnt_off0001000b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001181d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1181D | 22312 bytes |
SHA-256: 9fc2747e20048561c63ed547c7799c96d72568f169b325f36faca3a104015365 |
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