MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites and other disposable hosting. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics strongly suggest malicious intent, likely to lure users to malicious sites via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://loctra.net/userfiles/file/mosalokufeduvizorumamadot.pdf In PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160b05bfe9f737---woxofusosi.pdfIn PDF document text
- http://tutek.eu/userfiles/file/61791938562.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/83409168979.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/1c1b5965fe8a0e8cdfe77b524c67e922/78683230996.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607102ae6da1f---6110999012.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/97041421324.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608da339aa4ce---kidudepatutebili.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/1ppo9tq1ujqnafvehd1kov62e6/73407947209.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b09163b96ff---96681507645.pdfIn PDF document text
- https://anyimaker.com/upload/users/files/67838638123.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8a566d422---zudexusazidedot.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/52096738920.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/dedodoz.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/0149208483e51ba41d36c97b29ccac5c/13471301578.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/17247238741.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b473530327b---gawovumetag.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/007u6b43t172fob0e58eckei7c/23559343034.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/fe39ed0bfc5829a43b7f0928bb6fa9b6/49450173948.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/647954868876c41a5a55245f6a7e677c/69131716360.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/8rq9isssgrq4opdt9298r3b31g/75696145938.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe8358ac8e---lexaloxerimakejanano.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a240674b8a6450b34c1ab6f71d3f9db5/72863019285.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/ac4a51586773adbe18dcb09cee49fbde/27027957412.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607567f492b96---16633162327.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/c409e586e1d233f70c1c7972794396b8/refobigixujawejatomef.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=kd+and+curryPDF 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_off0000f268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF268 | 9912 bytes |
SHA-256: b08feade335d385d04a4cf7b97bf05c52a975508dcf7b8e411a7e901e39c9d34 |
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font_01_sfnt_off00010856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10856 | 17860 bytes |
SHA-256: 5c4bc787dd488e1c04ce8619503b49aa7ad5672725bb2e29ff4d4f62fec17d0a |
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font_02_sfnt_off00013755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13755 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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