MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF containing numerous embedded URLs, many of which point to potentially compromised CMS upload directories. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a link farm suggests the document is designed to redirect users to malicious sites or download further payloads, aligning with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://apsencollege.org/test/fckeditor/file/14927093219.pdf In PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/74337405490.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/xivelamovobijuvok.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/jerufamimimovusuzobexuma.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/724877d7d004a2a61a26711ebbe3f98e/fadexamikumam.pdfIn PDF document text
- http://giga.sk/storage/file/89303926366.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/1db50054a707eacb1c02ab137f6c71bf/79003869041.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/mujejajoxuzanila.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/wujimedo.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/47209394927.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/1bd92e8543c24a4d6a77a439a2897904/pugigexipubi.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/45988957064.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/77jfuvrhfq6ocsfr74s9uij0rb/jotup.pdfIn PDF document text
- http://terrietanaka.com/library/files/zexovapelekofapovipiwovis.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/4055150322.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/4aba02e128e6457317dda52ee231dbc2/50660321105.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/vidojen.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/54692063160.pdfIn PDF document text
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/gebibifozu.pdfIn PDF document text
- http://ildongwire.com/userfiles/file/49214305523.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/fupalavadinubeloxixipiro.pdfIn PDF document text
- http://davcpundri.com/css/file/32600629376.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/8846790641.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5be8a53d3b---gebiwubafofifaganexagupo.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/31413705560.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/6640684468.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=adding+pdf+to+powerpointPDF 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_off0000dd7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7A | 18200 bytes |
SHA-256: 7c623b4daa4952e1ef93982af82970f16966eccf198a634b1244a02bc816764f |
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font_01_sfnt_off00010c4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C4B | 10364 bytes |
SHA-256: 4554c1f576b7133bef56e837aa36bf7bca754c8ec5da87a9431ba4db34bfc900 |
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font_02_sfnt_off000123ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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