MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV. It contains a large number of embedded URLs, many of which point to compromised CMS upload directories on various websites. The heuristic findings suggest this is a link farm designed to direct users to potentially malicious content, possibly for phishing or SEO poisoning.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acdb2a8fc8d---nufejam.pdf In PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/c05b11492d9bafcc7d136803e62929a6/tolinujagajisulerukena.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3143645fea---lorelatojibotavuwogeze.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/ce6d2f188143232940b72c4e4247bbbd/14969690857.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/ga1q4qttr930s733ng35ef51v2/pezorujilozedudenelemem.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/7be4b5d7e8ed3b7961c461013d61e318/90511245761.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/32691098953.pdfIn PDF document text
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/gedunuritulafizig.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/5841267964.pdfIn PDF document text
- http://www.asslar.de/downloads/21772074698.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfe8c3c776---40760360437.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/1aca2378a020aedc4cafe9b3e89b8bc3/zusol.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/57788056302.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/vaxakizegerabadaju.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b40ce99ac---55471099267.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/5b96f2fee5327788b98bf0a185091cb4/51850323982.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16086507a01b9d---tevatasodipajuku.pdfIn PDF document text
- http://camwater.org/media/files/22841552760.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/7nkguep5polkcpbtiitpjdaiih/48516441303.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c931b86c0c8---13129136560.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/ee13e28beb9953f2e5febf5441be1a48/buvizokawi.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/735e864dbf8a973b20b889d4688311f8/vozuwopesenevidadej.pdfIn PDF document text
- https://csn-alliance.com/data/files/rurupav.pdfIn PDF document text
- http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/73660077965.pdfIn PDF document text
- http://fkjz.cn/upload/files/2021/06/202106251147234918.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+draw+cute+eyes+easy+step+by+stepPDF 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_off0000ef74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10786 | 16460 bytes |
SHA-256: a98876d0ad5cd7af6f1b423aa2fac46f399f12b94dae1b8ec020bd967679ea1f |
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font_02_sfnt_off00013242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13242 | 10696 bytes |
SHA-256: d1f740a404870a56bc657b3a9f7ea65a94b87c4a05b101bdbcb81718377dc2e9 |
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