MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The 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 WordPress sites. The document body is heavily obfuscated, but the presence of URLs and the 'link farm' heuristic strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/a6fd86ca70b9717a5a18f86abb955526/36487433381.pdf In PDF document text
- http://aarogyamedico.com/userfiles/file/lugulu.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16070e762171c8---47494690923.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/97316361997.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b16dd06411---denulobaxedax.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160838737145d8---roxape.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/u77e9re211r53m90n2tjdc3pi7/56030378950.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/1ubudm98kasicgsa3d0aapipbi/rofajegu.pdfIn PDF document text
- http://alliusie.com/userfiles/file/liremodubuwututilagewuwo.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607255e9e6980---83199638439.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16091ebed8b6d4---82801977907.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094b40a79192---lerup.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/60702405246.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/2a3d794d6a4482c17c2e9e0088b27636/rovegenala.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/90620144772.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16085c993864b8---45672706001.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751087c1a8b---fafilejirigudukuxa.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/1b69fc76aad53f624aeb321f15dbc0f2/darajugina.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/tixijipamiwupil.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=adobe+reader+for+android+tabletPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED17 | 4852 bytes |
SHA-256: 773bb5c0548cb6a4108d042b8cc19aaa2083e4cf96540b6226e4adc1170feba7 |
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font_01_sfnt_off0000fda6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA6 | 10572 bytes |
SHA-256: 4173473f80595566aac41ca1ff97960d9772be6ed82b041dbe3f1ecd356c580b |
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