MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm or SEO manipulation tactic. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The embedded URLs suggest a phishing or malicious redirection scheme.
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 https://kham.vn/userfiles/file/porelari.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/de4aee56867b0259f647f3ec3b6e6bd4/69949673501.pdf
- http://bostonmentors.com/userfiles/file/96644083575.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/u7ihbpgrgkiujeuoe61hbcikfd/dawanenomijadatetafi.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859173b7d48---kaxogomoda.pdf
- https://ecoretras.com/file/dufagufewaxo.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/f1fe2517472821348b8866a3465df6b8/filodolav.pdf
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7s3ja6pck4q5jv1k755mv4kevg/10217534050.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8362de42822a5bac38911a1a56ac2aaa/zowujikewigutimejarevikak.pdf
- https://genericdiabeticteststrips.com/userfiles/files/4042883971.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/7c658830152754c6ca8f99258e26acd6/67508179722.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1608076d52f501---botogiwobotubeba.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e28de48490d---wizegijavaze.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/02ff67b31b9c98f9500d7dc5237906cf/86605104469.pdf
- http://kapsalonvogue.nl/files/file/30224661549.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/883acc2268e41ad25e24bb649a7a3727/83397810854.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160982f05487fd---19745511033.pdf
- https://go2germany.ru/files/file/84592514108.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/gd5qfqtasheq5be8o8299ur8qv/82447043387.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f46efa1d7e---22764524996.pdf
- https://hophamthaibinh.com/upload/files/puvukomamulef.pdf
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/66276235997.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86d60ac607---dagabumivora.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6dfca3090---nevusajerenobudukeludakow.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/477e3cd438e640069de726ca220b681c/zovuzajikuwoguzupizi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=synovial+cyst+knee+treatment
- 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_off0000ef12.bin7d0eed902e0e0466f0579eca6312828381aaf490458437a4c6d3f1498a2d540b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF12 | 16692 bytes |
font_01_sfnt_off000119f3.bin0ce234e45f78d0bec82810e579f01c4955bc2a3539ef407911641d136c46b1cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F3 | 10736 bytes |
font_02_sfnt_off000132a8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132A8 | 16792 bytes |
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