MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links pointing to compromised WordPress uploads and other unknown domains, suggesting a phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/645c1c16b4ee356a698881f7307f4ee6/wufedum.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d1fecc8cb---toluraz.pdf
- http://nhadatv.com/webroot/img/files/manilipetanonasuf.pdf
- https://bluetact.com/locktactyuma/userfiles/file/61759656326.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d557e12917---vumudonu.pdf
- http://metabolit-plus.ru/files/file/34161060772.pdf
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/1505866856.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a34ce79e820---wepisadumofedesaguzive.pdf
- https://uleshuzatabc.hu/files/file/65913546961.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/pp08mgbsm39jr1bqmss061ibs6/baboxo.pdf
- http://www.amedna.com/userfiles/files/kukakugefafox.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075a14b7e509---dolatewagagi.pdf
- https://telewebmarketing.com/FCKeditor/file/5524537004.pdf
- http://bahattinburyan.com/userfiles/file/gagizolegexemixizu.pdf
- http://africanhairbraidingsalon.com/userfiles/file/sadusorasefujemigidexalin.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/5qckb1f7jgq1rn86t3707kp2ip/73544022781.pdf
- http://thuduchouse.vn/pics/file/6661716626.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a46e46972516729955f2cd436482eff1/27778747917.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/jr4slrqgo3v65c1h445ck6s69a/55014788073.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609875699d14b---67446487826.pdf
- https://ghnservizi.com/file/tagisigixerolajunek.pdf
- http://hndgyl.com/v15/Upload/file/2021628559211338.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe7a387f11---relam.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=doodle+practice+sheets
- 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_off0000f17d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17D | 16792 bytes |
font_01_sfnt_off00010994.bin07f6e4bf6814d6038f899d16e0702fc81bc5dfe3db55db4fc513bcd1a0a5e6c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10994 | 10508 bytes |
font_02_sfnt_off00012192.bin0d0600e95f0b57bc42c4d4c9dd5dd060b4408b9b827763deb23d50a8ff4221e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12192 | 17556 bytes |
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