MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a large number of external URIs and link farm patterns, suggesting it is designed to redirect users to potentially malicious websites. The presence of compromised CMS upload links further indicates a malicious intent to host or distribute further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://pistant.ru/uplcv?utm_term=jailbreak+android+on+phone PDF link annotation
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8186d4978---zamosaladefawoxan.pdfIn PDF document text
- http://speckrepej.com/upload/file/90717050175.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161306dfdb94ae---42547477704.pdfIn PDF document text
- https://bonekarusa.com/contents/files/81056316499.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/kipigegusefena.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136fc624d19c---fuxafi.pdfIn PDF document text
- http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/tegimopelof.pdfIn PDF document text
- https://goez1.com/10005001208290177/ckfinder/userfiles/files/tasir.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/lapave.pdfIn PDF document text
- https://estoniapools.com/contents/files/85756864215.pdfIn PDF document text
- http://domuran.pl/files/file/73878400213.pdfIn PDF document text
- http://aktasmatbaacilik.com/resimlerfiles/xerabimunalekumobu.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/35qj33norkcetrl3qaa3d4kvm5/33130084839.pdfIn PDF document text
- http://ranfeng.com/userfiles/file/2021-9///20219186518643.pdfIn PDF document text
- https://smartcrm.cloud/upload/files/kosawipajabitaxuvazigal.pdfIn PDF document text
- http://labonscafe.com/userfiles/vipowukuboletiduzopob.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/27859759473.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161376ef8b6ee5---41497444746.pdfIn PDF document text
- http://cmsrecuperocrediti.it/images/file/37320008131.pdfIn PDF document text
- http://jia-longsofa.com/uploadpic/jialong151126/files/202109130643226781.pdfIn PDF document text
- http://glavis.biz/userfiles/file/fusuvagorobupobog.pdfIn PDF document text
- http://www.satunatc.ac.th/ckfinder/userfiles/files/nakibafetazewapofete.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_off00012252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12252 | 18964 bytes |
SHA-256: 2c129dc9948b47ae400c8c384086e0299a82f8f19136842134638d7a2c8db792 |
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font_01_sfnt_off00015407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15407 | 10444 bytes |
SHA-256: ab2844039cef2fefc25fa543305e687adb7a20c1182a331a69aa944d61a76bf3 |
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font_02_sfnt_off00016b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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