MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress upload directories or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs point towards a common tactic of luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://laborke.ru/uplcv?utm_term=best+hairstyle+suits+my+face PDF link annotation
- https://kocarbonag.com/luutru/files/ruvitalimazukew.pdfIn PDF document text
- https://hanedantoptan.com/upload/files/lefivotewaduligegakuno.pdfIn PDF document text
- http://syntra.pl/userfiles/file/95048352763.pdfIn PDF document text
- https://prtl.pl/userfiles/file/20205589238.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/75081724722.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/mefapu.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/82702188403.pdfIn PDF document text
- http://haihengpharm.com/upload/files/66969609510.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613761d73efde---mewew.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/jibovuwazexemosaratum.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/84a6f8f3ebc61947e950df6ad06afde8/12466104698.pdfIn PDF document text
- http://bijverhoeven.nl/uploads/files/35196294629.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/39797829704.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/86694195298.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/1c119056efed86d13475f62273f5cc8e/geforulilupawaw.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/zisujupi.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e38a6752e---915949745.pdfIn PDF document text
- https://tumujerrusa.com/userfiles/kikobapolozijir.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/lozifopepen.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/vudakefur.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/11586882798.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/disovu.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/p33aqkrh9kp5q8gh20ejl2c754/moledejowadokijowuvegake.pdfIn PDF document text
- http://hifitness.hu/userfiles/file/wozor.pdfIn PDF document text
- 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_off0000cc72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE484 | 17112 bytes |
SHA-256: 94726aa2be16013480723251fb15d62abde98788dc6b55708781b00d932d9573 |
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font_02_sfnt_off000110d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110D2 | 10644 bytes |
SHA-256: 74b7810c35775b6c3a0cfdfee1709a95ae8a26398a03867e1f80963acc0f44ca |
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