MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the presence of multiple external links is the primary indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e335a394f5---jeximu.pdf In PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5ad3c6551---winurololujibo.pdfIn PDF document text
- http://myjacksonfamilyreunion.com/clients/e/e2/e2167ce47089e9b789d53270b7cccc99/File/jajapovovowo.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/varadofijetijevof.pdfIn PDF document text
- https://ever-progress.com/upload/files/sonuxamos.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867a01bbe93---21949244581.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/ac45262c1f34e5f635e987d347cb056f/46449651680.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/56300958987.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/vunipesugu.pdfIn PDF document text
- https://editionsitaliques.com/userfiles/file/kutimemuzidedezona.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/gonurajedukiniwa.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/f8j2a4d9pc9gupamof57dmgvg2/58613741027.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/q59vj265o9fuv6lmoh5ido7u2t/rutavuziborif.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d646758dc63---nuluxebafakosifavem.pdfIn PDF document text
- http://aimic.com/userfiles/file/pegakuba.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/41967122780.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e2842a75ba9---tetepupudozirodod.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/3a68a1b46e8e0c8c6d58fa6ad662da66/89925794684.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/rewevevamuke.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/91988274707.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/73031075730.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/34231232796.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/1dad0baebd24273a30ea3a2998e54cdc/10284235395.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+many+pints+are+in+18+quartsPDF 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_off0000ebbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D1 | 16684 bytes |
SHA-256: 0a38c8936d8aa198a020abfe5d925f558a81476cea64371009981329b23f637a |
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font_02_sfnt_off00012f21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F21 | 11064 bytes |
SHA-256: 81da462650d5cbc2bbfb0538ff726bc78c9a1640920976e5bb5355d5dc044e5a |
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