MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, directing users to various external URLs, some of which are hosted on compromised WordPress upload directories. This suggests a phishing or malware distribution scheme, where the PDF itself is a lure to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://111-orte.de/testarea/cwsCMSlight/media/files/79610473002.pdf
- https://topinsolventa.ro/userfiles/file/70750615651.pdf
- http://www.ih-consultant.com/ckfinder/userfiles/files/44460307449.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9d189981f---lofepenosinogimifogex.pdf
- https://alperbehang.nl/userfiles/file/dipigexixavejurofuzodip.pdf
- http://dungcubepgiangtrinh.com/webroot/img/files/bisuvu.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb56d04f47---43494620062.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f111f1cb6---sewenepixoforavuvoniva.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f71c6c79130---votibizoxopovipe.pdf
- http://kajsanordstrom.com/userfiles/files/51557985133.pdf
- http://gphs84.com/clients/866382/File/banomuko.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118a900d1130---13809353279.pdf
- http://schmetterlingsgaerten.de/file/11307418479.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e4da94d8093---xezefuvatovapelez.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16102d7752127f---99880031722.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/gst37oia16u25uon163uqsqgnj/93506947366.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/fl1tfrr0en3pcklb5vvmplr6hh/votuguzilapawovol.pdf
- http://france-ex.com/pefokoforegazamupo.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/017818b5af2e77163c34579e1d74ca7e/76288169838.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/2a74e29ad3be0e3612d8658577e86572/94362546580.pdf
- http://4grd.com/cmsimages/file/12347302308.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/7ba1e7312891d4207eb9a73f75c2b994/70970633544.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/haobds9jcm77ojckf1eq6nu1hl/2748737738.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/bc42f90c0a2eff47d5bc8962e3faeb49/11390547159.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=ordenar+palabras+desordenadas+en+espa%C3%B1ol+online
- 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_off0000cc04.bin7721550b06cb46a1d3807789996327615f71d59c5f584b14d700026b21c90811 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC04 | 18016 bytes |
font_01_sfnt_off0000fa21.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA21 | 16792 bytes |
font_02_sfnt_off00011238.binca0d578130a4d6b817daa1fd09aa986632356d948979bafa9fde03cced185fde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11238 | 10656 bytes |
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