MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many of which point to external websites, including those hosted on compromised CMS platforms. This behavior is indicative of a link farm designed to direct users to potentially malicious or phishing sites. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://betonkeritesek.eu/Content/files/lojavagogosoziwemokemar.pdf
- https://partetesal.ir/data/file/29803744723.pdf
- https://maribon.net/app/webroot/files/userfiles/files/kibipojanigedog.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/2cfd173b213a6de45b9cd21988dd3c28/lisonidov.pdf
- http://wittymall.com/multimedia/userfiles/file/57958197548.pdf
- https://cityface.cz/res/file/mirukexevotazisoge.pdf
- https://hoangvan.vn/wp-content/uploads/files/50433115129.pdf
- https://inverpalmas.com/aym_image/files/42663678398.pdf
- http://diysmart.net/userfiles/file/2222073282.pdf
- http://cy2hand.com/userfiles/73034196239.pdf
- http://naturalmis.com/userfiles/file/bakufaguvopuraruraleguri.pdf
- http://ceramicaartisticamarsalese.it/userfiles/files/kasipenodisegewuvo.pdf
- http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/45157850096.pdf
- http://jongauger.com/ckfinder/userfiles/files/luvefigul.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135b161de524---156921707.pdf
- http://sahrugs.com/userfiles/file/28411197413.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/3b3c00b0dda5a5d57b65747d0eaa7b28/9412090489.pdf
- http://yves-segers.be/userfiles/files/28559311430.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614523a0e67cd---jebapu.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cnv49op25gic9nqc1teeo325o0/95180063925.pdf
- http://alpinist.store/sribati/editor/uploadfiles/zijukez.pdf
- http://vector-food.pl/userfiles/file/82377246345.pdf
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/dazirefefin.pdf
- http://nova-auto.com/upload/92451746163.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=fox+soccer+online+free
- 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_off00010705.bin808b86852160e565cf90911a4c1eebb3f07bdba22da371dc857ab72a747cf734 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10705 | 10148 bytes |
font_01_sfnt_off00011dcc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DCC | 16792 bytes |
font_02_sfnt_off000135de.bine025ca2afd44db1182018d86959e1409d28fbc1a7565baa59e21a222af2f7c41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135DE | 19388 bytes |
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