MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9784
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.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160cc33aaebb65---janukakutaseloniratelus.pdf In PDF document text
- http://www.annaleehuber.com/content_files/file/susujekav.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/e1bc565f74fb96907014186f411bb686/megenageboxetuj.pdfIn PDF document text
- https://midasspa.com/ckfinder/userfiles/files/65448536542.pdfIn PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/zigomezomiwunuza.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/58049143382.pdfIn PDF document text
- http://giasuthanhdat.vn/Images_upload/files/liwelumafufagorenikiw.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/46d6cfbd190b733db59425ac25c1d71b/80590176024.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b88568dc0---vewofobuxusoluli.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/levabibudoguzemewesabalo.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/pvli4qvr6hpjvvonqi730iqu64/46791627513.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/71936036540.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/14851307927.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/pepowulosaxizivogoz.pdfIn PDF document text
- http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/losekukidugomepegowija.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/3602452388.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c772240ac1e---xenefozovomefidaj.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac785b0fecd---83326989291.pdfIn PDF document text
- http://architettodrabeni.it/userfiles/files/wejadovaboxezitezogono.pdfIn PDF document text
- http://bhavalaya.org/ckfinder/userfiles/files/66660145622.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/f1b327fd1dd64c13fb341eff587f0fbf/99076089044.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210620/210620074538432586x61m71s1oyl7.pdfIn PDF document text
- http://aaaexpressac.com/userfiles/file/patagejobuviji.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/76614530344.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812447045a7---82893332531.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da131d89c4f---wanifufumiz.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b777d426d60---40103239120.pdfIn PDF document text
- http://kingbikeonline.com/images/upload/File/vuvaxexunekoruva.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=graco+ashland+convertible+crib+instructionsPDF 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_off00011909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11909 | 18944 bytes |
SHA-256: 14f7c9985697010429d95c0492adff55116236a26d4d22a766b8e0fa86142b5b |
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font_01_sfnt_off0001493c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1493C | 10812 bytes |
SHA-256: ef756ff3014e86c662cd12788d25956fadbf036e1f540a33a2ee2593ca6b51d6 |
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font_02_sfnt_off00016226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16226 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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