MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation or to obscure malicious destinations. The ML classifier and ClamAV detection strongly suggest 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 http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/76501606939.pdf In PDF document text
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/19436230501.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/61874270804.pdfIn PDF document text
- http://tai-group.com/upload/files/12052758793.pdfIn PDF document text
- https://cincia.ro/ckfinder/userfiles/files/51250561147.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/91302205882.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/079lhvbn80m4ue6f6e6dribqem/zaxisiw.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/33853951641.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/kesonogopogolosodolimuzo.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/i2575p8noii67qnij3lsots3j1/10965553372.pdfIn PDF document text
- https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/9334503434.pdfIn PDF document text
- http://parquet-cortes.fr/data/Files/13307867540.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/bitotoxubivojaludure.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/mivasoleg.pdfIn PDF document text
- https://moraure.net/js/ckfinder/userfiles/files/vojobasiniwaketanaduwe.pdfIn PDF document text
- https://coil.hk/upload/files/firunobojo.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/nujovijibamifolifapopaz.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/59018559437.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210912003420.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/52871482583.pdfIn PDF document text
- https://amthanhanhsangchinhhang.vn/upload/files/89514376912.pdfIn PDF document text
- http://topas.lt/userfiles/file/64356603540.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/xotasiwidexunenutukaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=harry+potter+and+the+philosopher%27s+stone+movie+123PDF 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_off0000aeeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6FD | 15248 bytes |
SHA-256: 90541ea7d6375485ba1e23ce1ec0c1afb47b8b75890d960adee99a81b25e2ddc |
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font_02_sfnt_off0000ed8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8F | 11208 bytes |
SHA-256: 41d2c128198ba1dd0c975b96ea092b67b2c866cf7801e221c1dd26e944bf91dd |
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