MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised websites, indicating a phishing or malware distribution scheme. The PDF structure suggests it is a link farm designed to redirect users to these malicious hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://oniceh.ru/uplcv?utm_term=the+king+arthur+and+the+knights+of+the+round+table+pdf PDF link annotation
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/1c7e1a7d1b63fd865ffc3edfa13cedd2/meniwikeseliwowedubazep.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/6s1qp2a0p25nlh7irrnopb1ms3/fefujelotesisojusokozitox.pdfIn PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/o58t2rbdfral6accjbormh47fb/31053404914.pdfIn PDF document text
- http://honda-vo.com/upload/file/65373416763.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/84926200170.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/winevezezevuja.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a208a4c666a---varipiguxiwuvesut.pdfIn PDF document text
- https://capecoralliving.com/media/file/75474228696.pdfIn PDF document text
- https://mayurherbal.com/userfiles/file/jumisipiz.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/93781c397894eeaa490567c2ea532f4a/57945355426.pdfIn PDF document text
- http://esejsc.com/upload/files/55158238944.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079d0e13f5a2---totita.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/4c29f457fc99e0d5536e0707ab90e17b/70753765079.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/14717928920.pdfIn PDF document text
- https://pellevah.com/upload/files/disoxovazozenule.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/94670593915.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_off0000e4e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E9 | 16812 bytes |
SHA-256: 91fa646358a331c845b5b45ba736c29ca1a24b185de86301ac9409aa2aa38006 |
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font_01_sfnt_off000110cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E6 | 11072 bytes |
SHA-256: 910cf1763e88f66b22306db2ce023c6d30905de4835a57d2382d31d23dcc6d5a |
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