MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links likely lead to further stages of infection or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088275ce164d---fagurepererivapezekodi.pdf In PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5278e76f7b---6466879073.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-6-20/20210620062140134497.pdfIn PDF document text
- http://alliusie.com/userfiles/file/60910730911.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/af791b4b1bb6f3a830dca9c25ac03e70/19457970133.pdfIn PDF document text
- https://info-jimukyoku.jp/lot/upload/files/mewimabidorisomelo.pdfIn PDF document text
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/mn84aq2r40l1f1k8m3jjqdoe7f/31981354922.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/434daea4a3e3133c4e1fbe20e498db52/zatosenesifid.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d403e8f0f63---xiwotemiwezupimegu.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/62108450637.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/18180233667.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84219241317.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6565a4dd1---pasuzosovadepodudoven.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/50487970727.pdfIn PDF document text
- http://benedictinoselrosal.org/ckfinder/userfiles/files/8718861142.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210705182721.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/73368879271.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/a8sg88rj7siamdqnnvupa10l03/88646642079.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/831da90678d7eca9c4371d851b55b5d5/xisamal.pdfIn PDF document text
- https://smilepaper.tw/archive/upload/files/vorexataxakosojobufuwut.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac347d696d1---14467908683.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/0e59eda060b66bbcd26aae1cad827b57/wuzezawakenibijomixodu.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/nvhhghjbk62gt7539vavtj2o1m/83667274642.pdfIn PDF document text
- https://lesfeesdelhetre.fr/upload/files/55492458333.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abc0d6138f7---18178265053.pdfIn PDF document text
- http://cjandjunemillerfarm.com/clients/75830/File/gezafiniridexu.pdfIn PDF document text
- http://benevolo.it/userfiles/files/wewubaveduwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=hibiscus+ankle+tattooPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC8D | 10444 bytes |
SHA-256: d57b4219bf5dd364ce87debee64aeb71a652fcdac8a00e32d0d350a65f342950 |
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font_01_sfnt_off0001145e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1145E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C70 | 16700 bytes |
SHA-256: 44a835d01c10427e238970d6c8da0dc9a1cef4427148738565540e5f249a89d6 |
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