MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The PDF structure and embedded URLs strongly suggest it's used as a lure, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1a249b1a4---79117172129.pdf
- http://51-lq.com/userfiles/file///kesivowofepovaj.pdf
- http://train-in-japan.com/images/blog//file/92557042458.pdf
- http://pensionpoint.cz/userfiles/files/12951049370.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/qjkivul4n1csjea5jstfja42tv/90236860612.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bf852c52---padelewubu.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/53b24a3edacdba99aa19ef582793a689/11021700405.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/d48149e86f2703db526a712ec2e8e7da/bojisolonilawagab.pdf
- http://lucann.com/Upload/file/53731281478.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16088c57889d58---91399225136.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d7a0afe73---98428386900.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073e74b0493a---xovuseresixodenugo.pdf
- https://comptables-publics.fr/userfiles/file/nujokusiripalazevokilopuf.pdf
- http://kimandyoo.com/userfiles/file/72653707451.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/p1fhdba6g74fib24fel8fg05ua/24142040351.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8778c19d7a---18451873140.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad41b253d5e---37261639044.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc44bac0c3---4131312413.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/b92he4q952fr5kaapsm3i6c8h0/migunuvanek.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a13a69a57---gexugano.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/085bf9f7f50c4f5b588dd2c3bde82b9d/vapurokiponigo.pdf
- http://panziofabian.hu/fck_kepek/33546257145.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ee605cd39---fefefege.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=porque+da+anemia+en+el+embarazo
- 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_off0000eb3e.bin4f8c2742be137d38e87f8eea3d66a00f6517dc96eaa2674e32466a50bc2b80a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3E | 10592 bytes |
font_01_sfnt_off0001031a.bincc3e44b49c4b572402139d23bd626cbd52af5920637b9869eef890df587d8e0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031A | 17896 bytes |
font_02_sfnt_off00013088.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13088 | 16792 bytes |
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