MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous external links are consistent with a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613037c7ac5a9---rurox.pdf In PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139b1a10e7fd---sesarepixixaron.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16133465d042a3---nunobugasojoxokukomegusu.pdfIn PDF document text
- http://artdealer.vn/upload/fckimagesfile/0b84ec48eca8ec2ab540cfb169ae787d.pdfIn PDF document text
- http://sentai.cc/data/file/20210909_001002_713.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/japodetapi.pdfIn PDF document text
- https://emmaushuis.org/pages/8652683010.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/59748666698.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/benakefiwepadajivoraboves.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/bfc3hvl0ksfaq6oka6inuh3jh6/ranujipetadixasab.pdfIn PDF document text
- https://eldorado777.ro/upload/editor/file/lubadajoxopofeveb.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1cb0147e1---kimilimitag.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb910d2744---podakuku.pdfIn PDF document text
- http://htwy.com/upload/file/kiromatu.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/22957623077.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/cfo8p44ifitdvi7thsbsiq6b7r/77334906075.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/36776581281.pdfIn PDF document text
- http://aprt1day.ru/file/78150001521.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab180941ad---14060970964.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/vuzolajidasavulabutilot.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=android+bumper+apk+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_off0000ac06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC06 | 14916 bytes |
SHA-256: e24e32003a385683843950072526b4d1f1fd50d87fadfe41d74017ba1c3e03b3 |
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font_01_sfnt_off0000d0ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C5 | 10684 bytes |
SHA-256: 2ad18ca760daa6e5de71206d101b45220efd105286db17d14459372f77721706 |
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