MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to other PDFs hosted on compromised websites. This suggests a multi-stage attack, likely involving phishing or malware distribution, where the initial PDF serves as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://pathtojanna.com/userfiles/files/daruzexutudatepa.pdf
- http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/timasatasudareru.pdf
- http://bpabv.nl/uploadfiles/file/37605715601.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/202b948f72c554f17d0a319f841b53bc/tobelabukofusu.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/bb07f26694e5e2754849a6b2a0c2c99d/kavemilanirorubajizutetu.pdf
- http://bjallstar.com/upload/file/xididu.pdf
- https://paidionresearch.com/userfiles/files/pufowugisubemix.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce1277bf82---rogebokefifezikatagejomir.pdf
- http://stalmost.pl/userfiles/file/pidiladaronenosusisasaw.pdf
- http://gopherandsquirrelcontrol.com/admin/images/file/fitapazavaregebufovekeror.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2ac3043ee---4180713897.pdf
- https://diedacorporation.net/freesiafiles/file/puzamobatafisezunofube.pdf
- https://hse.tw/upload/file/34978654782.pdf
- http://fine-cottage.ru/userfiles/file/kozudisagu.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/hd16bk6nuru4g60ee6e9efpjkk/botojokupewu.pdf
- http://perseverance.cyou/updatefiles/file/94098344799.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e2542e9a5---72377084942.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/56578145082.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/eo9n1n0fdop0e2vc1d0isoka8s/nokojubeminekozub.pdf
- https://szabobuszberles.hu/files/files/zidamegagipupaki.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/362c8e0f3b046ce8bde5816980619d61/bomome.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/m5t85r7m4gkge77ln5vnofnst0/gimozokalavisibivu.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074974bbe9c0---sageduwilugolex.pdf
- http://beiwendq.com/userfiles/file/94113280509.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59092bd35---57782518269.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=phytolacca+decandra+30ch
- 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_off0000e9cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CF | 16792 bytes |
font_01_sfnt_off000101e6.bin59ed5de26e7460b05d26a29b5238d856370ca5b39201f6f91e49a82e041ac90d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E6 | 10616 bytes |
font_02_sfnt_off00011a2f.bine5f9dcec4e91abd0cbddaae46274bf7235e0c195a7f5c8500275cdb91b3aca42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2F | 21724 bytes |
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