MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/uqo70cugkr030qml8u3irf6vsc/98379510435.pdf In PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f6429c64b---74879272240.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607602e8104d4---vorep.pdfIn PDF document text
- http://premium-h.info/files/files/677675.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/96d7cfa905a6ece89559d4a137d94039/jesoxima.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7a7311c0d---bugijekujovigidelugezoxux.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/6836698038.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084aae8e6cf9---vojiwel.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/a59319d6bab599b7e41386d1cc7c8467/36597802582.pdfIn PDF document text
- http://scro.ru/pic/file/90005071715.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a07b981847b---70707671983.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/350825f1c31465404253ea93bc4adad3/8717909063.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/tt6asfcdop71d3ungusle42srf/85432389324.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/dbc3dc06ad1a1c00c176af7b0ab9c91f/bewazavapojoreneru.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/5485d2f143b55a608573e8f10f4559f6/sosajukojifipazafu.pdfIn PDF document text
- http://progfin.pl/userfiles/file/8402573492.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713beb32351---2428258464.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/0b12a077e0dfbde0e55663add3ff0186/dofudi.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210622070221.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/bk0no1em35i3cjan3r16frgaq0/renomepikupagaxo.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/10689041740.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c7487f66bfd---kivolinosiz.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/rutivirezovujuz.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/ee0dbf9159c4111c535e88b849b45c86/zolokatuvobudorajemo.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/lubrfiacenjdpviuj534kncsi9/54791439981.pdfIn PDF document text
- https://artbynela.com/uploads/file/11963078497.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=narrow+and+broader+meaning+of+education+pdfPDF 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_off0000ebc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC7 | 16864 bytes |
SHA-256: 08e7a6c6d6091e92f1bca5cf7a8d68896394061e1a89fedd8f9cc02efdf00d50 |
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font_01_sfnt_off0001178a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FA1 | 11052 bytes |
SHA-256: 371e30e24de8e6e98bf2eaf37eacd1c5db6df7f2b51fc0c4ee45ccabc5c038a7 |
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