MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using numerous links on disposable domains, often with 'utm_term' parameters, suggesting an attempt to obscure the true destination or for SEO manipulation for phishing lures. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hermandadperdon.es/userfiles/file/rixiretenizagore.pdf
- https://maconlux.ovh/userfiles/files/56745552043.pdf
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/jomurezegiretuzejigojab.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161493429f0ac9---zezopipujanoda.pdf
- https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/65098831455.pdf
- https://berbagiangka.com/contents/files/55021746839.pdf
- http://bjjiffy.com/upload/kosotal.pdf
- https://mbp.hastatis.com/mbp/upload/images/images/upload/ckfinder/wiwasutoworakebobukek.pdf
- http://ildong.org/sa_upload/userfiles/file/20210924133838.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613216dab166e---36011885523.pdf
- http://jmk.kr/ckfinder/userfiles/files/3330632229.pdf
- https://himalayanespresso.com/espresso_ckfinder/userfiles/files/9183501700.pdf
- https://smartmedia.ro/app/webroot/files/userfiles/files/jejaz.pdf
- http://serenetour.com/image/upload/File/xutatixagupokujavid.pdf
- http://futimisdev.com/userfiles/file/89062942476.pdf
- http://ikuma-car.com/js/upload/files/28347385787.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16147c477e0a72---89314122093.pdf
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/xibagukibobekotilud.pdf
- http://jeyadhurgatemple.com/userfiles/file/binotoloxesi.pdf
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/61712400836.pdf
- https://profession-your-dr.com/uploads/files/202109240954115240.pdf
- http://artattack-concerts.de/files/file/pazabomopigonitanetonaxe.pdf
- https://lostfoundglobal.com/userfiles/file/fifunijanotupukaxiw.pdf
- http://spharma.ua/files/file/nezixola.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=gift+card+gen
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b18c.binea874ca81372ae301a7355061b3ee4db36120df6d6d255e73533d967c7a9be28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18C | 10356 bytes |
font_01_sfnt_off0000c8df.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DF | 16792 bytes |
font_02_sfnt_off0000e0f1.bin878a4170384a4da6b1c5b48e3976ece9134920a6a28e975431d47c666c2313c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F1 | 16696 bytes |
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