MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or link farms designed to redirect users. Heuristics indicate a link farm on disposable hosting and links pointing to compromised CMS uploads, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://irlanc.ru/uplcv?utm_term=40khz+ultrasonic+transducer+pdf PDF link annotation
- http://rajhansnursery.com/userfiles/file/giminekujotu.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/nnqf0nu12hsu3fkegscq2shmoa/57440018865.pdfIn PDF document text
- http://amindoost.ir/images/upload/files/lerorijomefusop.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/doxijopodawekalojujake.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/77763424226.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/j7q0f8mgv8kn7v3nn379ncnnvr/5615969659.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/4550835657.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/zewuvinena.pdfIn PDF document text
- https://computerzone.pk/file/jejepifafigibobelefir.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/fd0b19f2d8e8c81b7547adedaa2cc201/93094247694.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1608818d343c7a---56213845716.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080abb8c024a---fitekox.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/n682u73jqjo9rd45sddtke1sb5/30606118437.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/f1bec69731df29640217b6f3a6a0cb71/59646436080.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210620034239.pdfIn PDF document text
- http://liily.jp/upload/file/20210830115429.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210610/file/23341020330.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/1e43d774aa597a93630de6d4ecec4b77/wuwipufolefodowukoraxude.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/getot.pdfIn PDF document text
- http://101balkon.ru/upload/files/28437756115.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/42314719936.pdfIn PDF document text
- http://bulmarconsult.com/files/29048625803.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/8779367030.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/35176448158.pdfIn PDF document text
- 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_off0000ce83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE83 | 17976 bytes |
SHA-256: 6e5e816ed7480ddc31ad471fa3965381f475030949d6f840b8d7fa1180fdf4a7 |
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font_01_sfnt_off0000fddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDB | 11072 bytes |
SHA-256: c013c11ccb827382d0e5fc81d0839ada94e49d28189ff562da70b38be235068b |
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font_02_sfnt_off000117a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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