MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links to external resources, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to host malicious payloads. The 'SE_INVOICE_LURE' heuristic and the presence of URLs with terms like 'statement of account' indicate a phishing attempt. While no scripts were directly extracted, the ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the download and execution of a secondary payload via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://brothers-music.com/ckfinder/userfiles/files/galuluninozoxu.pdf
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/14181967616.pdf
- http://yaqeen-eg.com/userfiles/file/senimofexebejexabiwekal.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/8144b094c4e8cf240d5f7609e3a73f21/ganim.pdf
- http://airsoft1.ro/files/file/80040354058.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/jr8sfvtklic163qkflh09vec7o/62384605063.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160969e3b541a9---kobugikarifam.pdf
- http://mondoacquapiscine.com/userfiles/files/88077086988.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/5991fbf733139ebb9cfc6c9675f9e01f/53371854784.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/6e2f1f3b2b951d8f6858efd00ecf3486/51473222876.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609836e6a056e---pabuko.pdf
- http://proxima-design.cz/files/file/64075602642.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f22cbc8144---mupima.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a1281d827---28389523729.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/2cbe5387e4e5712756e6abd71b17ad9c/84613759807.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608058141b051---50376352772.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608adaff75f84---87701779953.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a69b7ebc2---4413289314.pdf
- http://anhuifan.com/upload_fck/file/2021-5-1/20210501185410198408.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822665ac2c9---55036518619.pdf
- https://gagiongvitgiong.com/ckfinder/userfiles/files/70761023174.pdf
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/551261099071c030c3eba9d4affe2efa/1063818884.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc12f624b7---5091865611.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/e7iemtfi1hbg308saln8rjl5sd/pajimopuzewik.pdf
- http://www.truca-taoules.com//ckfinder/userfiles/files/gevawurolivonowilo.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609885b1424bf---musivizumawefimuwejevijeb.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=please+find+attached+your+statement+of+account
- 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_off0000ed07.bin0e72f3cfefe49d041e1b2e0d9ef2fcf1f9e1402b319cdb822d312a2761626693 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED07 | 10956 bytes |
font_01_sfnt_off00010642.binf0439ab8c4ff1c6389ac93570be14b5234145f313097589560dcf36524baef23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10642 | 17176 bytes |
font_02_sfnt_off000132ba.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132BA | 16792 bytes |
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