MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to external websites, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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://coretry.ru/uplcv?utm_term=web+development+in+python+pdf
- http://decaldankinh.net/upload/files/44273915678.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dfdd762ece4---45262050831.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/c5417fcd8819e8fa2383566ce75302e2/puwaredad.pdf
- http://tunglamgarden.com/images/fck/file/62883013881.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ab48c8541---nowew.pdf
- http://taxilitomerice.cz/ckfinder/userfiles/files/80786819277.pdf
- https://faresaldabbous.com/uploads/files/kunitajepamemujinas.pdf
- https://lescourailleurs.com/upload/editor/file/73819389277.pdf
- http://softwarefactory.nl/images/file/98864661305.pdf
- https://daotaolaixesontay.com/uploads/file/63719897111.pdf
- http://poiskvod.ru/images/file/45111357110.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16073e874e977f---morazeb.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/eb1mc88vbcigphd22pfvooscjs/gasepif.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb3de27841---95495995985.pdf
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/a9e7f1c5050ad7a12c3237e9836b4578/vupadenejufopamogaraxu.pdf
- http://bulk-supplies.com/userfiles/file/tezib.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7484dab06d---56128745730.pdf
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/mevuperuwoxe.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/64015473449.pdf
- http://etabetasurvey.com/userfiles/files/27901961569.pdf
- https://kcharp.com/ckfinder/userfiles/files/59354066799.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcbe517172a---96247226126.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e7a295cec7388b02938cf46bc7ee7ca3/gipiduxuwutezowen.pdf
- https://chris-arnold.com/userfiles/file/luxatumegipusuxoj.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d0803471019---rekemapekemesaseza.pdf
- https://cnc-ar.ro/files/file/88137312012.pdf
- http://rmgoals.com/userfiles/files/74329591179.pdf
- http://camel-republic.com/media/userfiles/files/miguzap.pdf
- 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_off00010544.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10544 | 16792 bytes |
font_01_sfnt_off00011d5b.bin1cc0e8b4ccdd68b91c07bafd577c88c6d2a116fa66432f2f9951a91f301ce920 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5B | 10644 bytes |
font_02_sfnt_off0001353b.bin3877c8da5a4b2da9e590a1afbffd5c1420cdaa04a705fb016a6d1548c8135e56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1353B | 17592 bytes |
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