MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 compromised WordPress sites and disposable hosting domains, likely to trick them into downloading further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/e6497ddd54c8aa707e3f8e93617e09e6/90884501993.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb8f08a8100---nenizibevupoja.pdf
- https://xistenze.com/files/files/4979182465.pdf
- http://youngthisyear.com/ckfinder/userfiles/files/fubudakadomijunebedosal.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/e780an82fd3g2mu2ebva2hbtfj/83766061374.pdf
- http://damoorefamilyreunion.com/clients/7/71/71c8bb141a0941b69292984b9770a174/File/1583725596.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160764b6eb1de2---xifoxid.pdf
- http://prestizhstroycompany.ru/SITE/files/editor/file/lisuxiwaxexijonatuvew.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/t2e40tv2ovsj6g7s6qvus8iq84/54205103833.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fba35ba837---50629196125.pdf
- http://clubesquilacoma.com/uploads/files/43888165383.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/i4jva4nr5jbdifhr57qq3mhbpo/22565220066.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/tdpo0u07kuuvqgpt7o17clvmqi/81047957803.pdf
- http://tekizolasyon.com/ckfinder/userfiles/files/69508194085.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e663471d5f---wizabalusib.pdf
- http://eko-inwest.eu/upload/file/gezusupefol.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3e990decc---69556738471.pdf
- http://cerezolorente.com/files/cerezolorente/_repo/file/wimiwubowo.pdf
- http://anhuizpyy.com/upload_fck/file/2021-5-4/20210504112226490531.pdf
- http://franzoesischebulldoggen.eu/userfiles/file/22702545890.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6aeb36e150---31460169219.pdf
- http://supermarketdv.ru/files/file/zusironuxadilup.pdf
- http://watthaistuttgart.de/userfiles/file/45834233987.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=resident+evil+2+save+file+download+xbox+one
- 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_off0000d0f7.bin86beba73b36243c1c915d6bc175f9d0e2002fd34f95e1dc91c7b407d0528daf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F7 | 10808 bytes |
font_01_sfnt_off0000ea21.bin50d4c241eaedcf9474b98ff1445f0b659f6874213c1f00acdc92b4a2db0aee60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA21 | 17048 bytes |
font_02_sfnt_off0001173d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173D | 16792 bytes |
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