MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs suggest an attempt to distribute further malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ringid.vn/ckfinder/userfiles/files/38802996063.pdf In PDF document text
- https://akproauto.com/nbloom/fckuploads/file/60430780553.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceeccab535---xikutin.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/vuluvigek.pdfIn PDF document text
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608828934b9a0---78268892986.pdfIn PDF document text
- https://mashtalkandil.com/userfiles/file/buxojaronirawezokabeg.pdfIn PDF document text
- http://nowator-zpu.pl/userfiles/file/54713657200.pdfIn PDF document text
- http://manninareunion2012.com/clients/0/03/03b30fdf9aaeeba733afadbef254ff7b/File/medififanufu.pdfIn PDF document text
- http://net-marketing.hu/images/files/tekoboge.pdfIn PDF document text
- http://hflchw.com/upload/file/givajowikoga.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/382ff0f0f0e9b10005d592a58d592adc/rifosapabexasinulakew.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/32714987217.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/11827698803.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6095fe94d3---44739485938.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/2349586470.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/xerufulagoduvupini.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e8636d6b6---3329357002.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/gevurubub.pdfIn PDF document text
- https://ankaratemizlikcim.com/depo/sayfaresim/file/soraratanufikuvurufis.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/dff2cf38856cf9e45c004ff1a8dac3e1/12577841295.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=long+time+comingPDF 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_off0000b481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB481 | 10052 bytes |
SHA-256: 9542246bdad4c1c2ac10fed2d0ab4b64a87dca6e91547ed00f02465e3fed276b |
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font_01_sfnt_off0000cadd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCADD | 15908 bytes |
SHA-256: 163c34eeb3429f0d99e13ebeeba10fa9669a8938112e98bc132ecb863a03ccb9 |
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font_02_sfnt_off0000f369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF369 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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