MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to redirect users to potentially malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://oniceh.ru/uplcv?utm_term=sunbeam+belgian+waffle+maker+manual PDF link annotation
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/885304d272d4ec7d8a5839513771cdd1/4934742299.pdfIn PDF document text
- http://skikk.eu/app/webroot/files/userfiles/files/pexokugosegisexuvino.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/47674835376.pdfIn PDF document text
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/89203571533.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/5oies7amgucg46uvi6r8gbnvbf/56369325684.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/16761619044.pdfIn PDF document text
- http://boxethai38.com/upload/file/85041009203.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/31363184818.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/c77e3a820efb46079f120d3ee6421396/kozunilinorivusewiwoji.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2afb35b2b---93537812470.pdfPDF link annotation
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fb01abb9d---zodaravixidakupopix.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/tejabivusokus.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609d408f0d9be---21198901834.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/58170359224.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/e2ff783e72fd6131f95df328637a11e3/wozax.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/vitexexigugonopidit.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16095e2e7baa30---68263190279.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/166f66c904474e7674948d107a7f3d10/vomikomat.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/kogevebemekawumebulovu.pdfIn PDF document text
- https://latework.cz/soubory/6103093695.pdfIn PDF document text
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839a5621ca0---8061652599.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/27334012621.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/fibel.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/f50ca87e369f6f8d178e4802b9cb782b/poduva.pdfIn PDF document text
- https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/6170212229.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d39d0e901---tubijuvuna.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/5418fe1e0a56d7d4d31e46942bfe40bc/78879792266.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_off0000d33b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD33B | 18440 bytes |
SHA-256: 13ec01eacdd9ede07d8019e19652b329fb8cd6302c245ebe3dc5441bff0697fc |
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font_01_sfnt_off000102e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011afa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AFA | 10664 bytes |
SHA-256: 37ee416702edd5bf40f21b8b12928f13f0709cda41d25f7f79aaa32618ccea65 |
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