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 compromised websites and disposable hosting, indicating a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs are consistent with a campaign to redirect users to malicious content, likely exploiting a vulnerability or attempting social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://pro-customer.de/userfiles/file/57754783533.pdf In PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140e17faaeb8---43030974506.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/1dcaf1b8ef90f479f7a08d370f44f680/28858403845.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/pb0qskscvno5j2ul7riq084k95/32526110869.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d08734ec2a---54523048954.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/80633553830.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/91752034848.pdfIn PDF document text
- https://hanoihome.net/img_duhoc/files/zitamukijos.pdfIn PDF document text
- http://snuhonors.com/userfiles/file/28308795736.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/jepivi.pdfIn PDF document text
- http://techcessgroups.com/userfiles/file/lalidufitoxiduzodudag.pdfIn PDF document text
- http://artio.pl/files/files/pukajoxa.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/tupezifibiwajepujeweti.pdfIn PDF document text
- http://fujavietnam.com/images/Download/20978503245.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/41339970612.pdfIn PDF document text
- http://mayjack.com/upload/files/dafokuxitesuv.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/zisomixepoginutagozizudit.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210920033603.pdfIn PDF document text
- https://mediaskills.rs/files/53945034875.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/kgnqofb41v9qu5hcmt75cq2hs7/94426737209.pdfIn PDF document text
- http://hzqzg.com/d/files/zidonesixubufelebe.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/tibafizizuxajij.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/24/kokutowabovavus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=ios+zip+file+download+for+android+6.0PDF link annotation
- 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_off0000af2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF2A | 15872 bytes |
SHA-256: c3be9aa619ed01570b215c1ef16e177b91e00ae93b7b0529ba06e2877d774161 |
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font_01_sfnt_off0000d7dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DD | 10844 bytes |
SHA-256: cd6fae31bc9672cd6d1bc154e19e75356b4a0f2e40be64dc39251b6136422797 |
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font_02_sfnt_off0000f117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF117 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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