MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
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 http://boathousebrokerage.com/userfiles/file/36807396609.pdf In PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cde0ac9530---81847612794.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/p6lneqnu32s84sukstus2kbpdb/33572617442.pdfIn PDF document text
- http://aisef.org/uploads/userfiles/file/file/tuzefilulomajitapenu.pdfIn PDF document text
- http://airmon.hu/images/files/55362451088.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/10915471583.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/85559460945.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/73e16818818828e936e76c8f32ce5bbb/61270487208.pdfIn PDF document text
- http://acutecardio.ru/sadm_files/tiwaperurinubufiboxek.pdfIn PDF document text
- http://mhspartan79.com/clients/9/97/97d0d0788ec4d6723ba7be3cd58769e3/File/zomebadeveruzese.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/960b7c0dc03149357e22bfd75fad2205/13197669346.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757fe2df847---zoposerirevile.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/fe069ae8f4d676ead210c9accfa11f60/fatubaligivi.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9faee81705---pobifovidunerizanirenuwiw.pdfIn PDF document text
- http://promocode.lu/userfiles/files/wadumarababu.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2pdhnddjus7pu4re9vhmr99713/gepamul.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/16227283220.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ke2bfteqf4of25vjomvg0lu421/94781719481.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/33394708777.pdfIn PDF document text
- http://healthywithhart.com/res/file/sadejafej.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e8cc1c2b0---26510333014.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/tujujemazupujoxa.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/cf68452180eed2e63a0eab37434aa60f/88714211721.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eff1bb3f9e---kepunubirimakuxe.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/8eb3448d0c20bf78bc1a709191b05b28/71522143038.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210731195930_p16nao.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=avast+antivirus+free+download+2020+full+version+with+key+offline+installerPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF1 | 18268 bytes |
SHA-256: f1dfb04c27755182a2783dcf07b93c1be899af1059c91841dcd17960ffd8d63d |
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font_01_sfnt_off00010d36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D36 | 11132 bytes |
SHA-256: cf6b9ddf4e93657d5376ba9037fc26181407e3db0b2edb516d60c8694262a2af |
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font_02_sfnt_off00012759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12759 | 16164 bytes |
SHA-256: fd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
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font_03_sfnt_off00013ccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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