MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The file's structure and the presence of embedded links indicate an attempt to exploit users through a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/rpapunm65m2inb1o1fsbbokb86/54750550912.pdf In PDF document text
- http://baaningdoi.com/file_media/file_image/file/14604907602.pdfIn PDF document text
- http://teraval.cz/res/file/36535811221.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/edd5d241ee0d72c7259b2a59521c2a8b/webagokofijezidikefa.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/f3d9dd3c9a0ca629c60181e2073760e4/rapiniwokerubev.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607501dd7eb31---41926976147.pdfIn PDF document text
- http://gemwishrs.com/ckfinder/stones/files/65262243262.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/df766e2b204c88f273abe45977b64506/xosixagumu.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/15946317562.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c5f14bfa8---nerusedafaku.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dce71ae2531---sikufisubunovalolimukotin.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee2dbed47d8---48554845496.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e68d50480a---6066349985.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607857d64a5cc---94818765210.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/aa3dd279b85382403a61e8051c9e54e9/katafi.pdfIn PDF document text
- https://hbfilm.ca/resimler/files/25647030648.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/bewirop.pdfIn PDF document text
- https://keongracun.org/contents//files/mefimugesamogage.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/ae8ab1a40be88ff6900ff8dc75493c9a/widulaxa.pdfIn PDF document text
- https://pisangmanis.com/contents//files/26058533959.pdfIn PDF document text
- https://eviinstall.com/userfiles/files/litix.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd75def083---jegotebapigexumup.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9618b12d5---suxojokezubetodiziveleki.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/fosixezufodolimixenesenu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=queen+mab+drawingPDF 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_off0000c035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC035 | 15548 bytes |
SHA-256: a66b93ecfb7408fd1fa7a8dc6495682a2648877b8aae0bb9956bac94a37f4409 |
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font_01_sfnt_off0000e7dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF4 | 10544 bytes |
SHA-256: c2d6a7fc37cd0c074baf5c9663fd79611afa5bf8cff87642bb8f5b292385d338 |
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