MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. It also includes numerous links pointing to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://www.kindspring.org/inc/ckfinder/userfiles/files/75690966987.pdf In PDF document text
- http://namngonviet.com/user-/files/63890297924.pdfIn PDF document text
- http://langmoon.jp/js/upload/files/75987073589.pdfIn PDF document text
- http://cjmfgxfollow.morefriendship.com/upload/files/5332368654.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/nunifumeku.pdfIn PDF document text
- https://surupaceanu.ro/ckfinder/userfiles/files/budenijafotaj.pdfIn PDF document text
- http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/fisavixifepozitik.pdfIn PDF document text
- http://rmgoals.com/userfiles/files/novuxe.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72982221285.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/2526109551.pdfIn PDF document text
- http://cn-daomeng.com/upload/userfiles/files/5a0a53ae82f223a996504e2765f83ee9.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/b64470cca42e348a8825e7f45bf07a45/wuzarivolimojarefaniwem.pdfIn PDF document text
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/68126730998.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/susemagelenadagoluluveka.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/gusogimusemulu.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/23030339351.pdfIn PDF document text
- http://herborgthailand.com/file_media/file_image/file/dajuzugigutawamujutoxes.pdfIn PDF document text
- https://butagallery.com/userfiles/files/21757288457.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e63c3a83f0---87125353226.pdfIn PDF document text
- http://sportservistocik.cz/UserFiles/File/94642411365.pdfIn PDF document text
- http://alarm.pl/userfiles/file/gipijakuwijuwonowilefad.pdfIn PDF document text
- http://sinproval.it/userfiles/files/tanujeguzuxonuvukitawofa.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/161413ca78d0fe---49604502147.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=best+my+radio+apkPDF 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_off0000aeb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB8 | 14996 bytes |
SHA-256: c8aba1098d2bc4a109873064ff5c3a423e4c911823c0b2dabf709144af6d2d45 |
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font_01_sfnt_off0000d495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD495 | 10660 bytes |
SHA-256: 633f1407459c7b7393a6f154c2f6138cd8b5282581f93cbdb97347a896b531b4 |
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font_02_sfnt_off0000ed1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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