MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a non-clustered link farm on disposable hosting, and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM points to links on compromised CMS upload storage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/150d1r7jfqui2h9a3imaahnp84/20431961650.pdf In PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/2hk157svp7787q06qrog8gua3s/68881082873.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/7gr7qtblkeb4l84d8dfok3qkl5/vimopofaromusi.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/827404eada10cd53646517001b58bafb/gukapukexesonexiwabavozar.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608681679ea48---tapalevakutogukotetin.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/gajenopelopaniloposat.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a1aa30d9e50---kegusijak.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a585661258c---setemiralapulerikag.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/57578962676.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091efc4a95f5---nukozejoremojusita.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/b4345ccb29cda238f251640a1df9382b/86648132024.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/41a56678b90b70637979d7b0800d74da/26757356692.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b8b540993---49083980876.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6afd44ed5---41046496326.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/91473811368.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a55e8945ed3---jepewamewigadelowobazile.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/333377a3d17cdc3de8477de5940e7748/fegoturavetopa.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/1e7a6eb239f3918c9e3beccdeb46e275/5313458131.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/pjce1gt5mup4qhh9i8933at5j7/bizazugir.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b79f2b30e3---24880220143.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fc33af19a---98792110703.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096e65c69b6f---2625066109.pdfIn PDF document text
- http://954move.com/clients/4890/File/20750450963.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b337dbb08a1---lareroxiz.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b876c60224f---vokokolupipefifodo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=cal+poly+gpa+requirements+for+transferPDF 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_off00010c61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C61 | 17344 bytes |
SHA-256: 7e783fede8b0194a8af899fd4678cc3f671a300584960147c86d207499e532f2 |
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font_01_sfnt_off000139e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000151fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151FA | 11092 bytes |
SHA-256: 0253c22a83a16f8310e1c7912f90fc42a44b3a3f17ca2fd858898572fe545212 |
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