MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to lead users to malicious content. The PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic specifically highlights this tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
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://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/763sme28h9bd1h5l6kd9gssak4/68008805581.pdf In PDF document text
- http://gardenofsound.com/userfiles/files/44705114537.pdfIn PDF document text
- http://boracayg.com/FileData/ckfinder/files/20210717_0FA346239FCC5739.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/9e67837c8fbe398b5acda2a0b7010742/fisutofuzerojuvagem.pdfIn PDF document text
- https://cooperspick.com/files/numigiriforisomota.pdfIn PDF document text
- http://zonwering-belgie.eu/ckfinder/userfiles/files/79582121494.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/62236127778.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/26459955349.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083f45b2dfec---15017181373.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160794a7d0bced---71857544129.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/f9330eeb6025d46ce554209b2af82d47/28743568568.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/2233nomk4mi218s4hm6o5pu0mu/73573443463.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160750f798c344---9325260244.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/tulisadisi.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/f2fd72ca373374aee854fe4657c5e552/69330734738.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/27858859947.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8e669c380---19588501625.pdfIn PDF document text
- https://sofupingame.com/calisma2/files/uploads/motojoxulutosokumu.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/065dc4b877e39c30268707d411ed0580/10425757278.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/0dddbaa8676c95d7959cd868fa96cb2c/96860366368.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//puxiwudaparuwa.pdfIn PDF document text
- https://beytarimcilik.com/admin/editor_resim/file/kofenorisarugeju.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/28e5ff6df89736a5df4dcd1025b5f5a2/naliz.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/58197804119.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/fc0e45eac1700957acc5433dbe208e84/xevebubus.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f98911d682---33151860673.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/5bfdd341ecbd650e978515e2ddd48dae/laxubuzaforerejixuxuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=the+wife%27s+lament+alliterationPDF 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_off00010e5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001266c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1266C | 17680 bytes |
SHA-256: 7dd7691912b3abb1f8622d01a6eed0c1c36c501110509bbcf9aee2a9350d1412 |
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font_02_sfnt_off0001542e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1542E | 10560 bytes |
SHA-256: e85a62cf36d7f1f871bc44a497ad0152811465cfe0a08e62c93835ae4a233d15 |
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