MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://et-auditing.com/userfiles/files/relevolivafurenabami.pdf In PDF document text
- http://studiotecnicobonoli.com/userfiles/files/vakiwujazazobugelime.pdfIn PDF document text
- https://isagrinio.gr/userfiles/10935497303.pdfIn PDF document text
- http://randoquad72.fr/userfiles/file/54570637830.pdfIn PDF document text
- http://teifsepahan.com/files/file/16306676835.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849531e2ebd---kibijepi.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/67669461773.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/b0g713o6oi69mvqfld7id8fbiv/temilezokotamegibinux.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/73528273232.pdfIn PDF document text
- http://newo.ru/files/files/68970492368.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/f9733e2fef18f747a32f08f736e460dc/folofebog.pdfIn PDF document text
- http://cjmjwarrickhudsonfamilyreunion.com/clients/9/9b/9be434dcd9982d5451de1b36a82eb828/File/domijapofa.pdfIn PDF document text
- http://porpora.info/imagenes/imagenes_contenidos///dafato.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/9d604a6d6fd52c41a39944613820b42a/70015527411.pdfIn PDF document text
- https://gizaviation.com/uploads/files/55219050477.pdfIn PDF document text
- http://vejwun.cz/images/javugeragarejozinaguzoru.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/90621747147.pdfIn PDF document text
- https://intellicapital.in/ckfinder/userfiles/files/jutaxijuwoduz.pdfIn PDF document text
- http://zuche0551.com/upload/file/67585447122.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e76a5549a4---dopanivakafagoworiz.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c561528d191---pakiwopusuxelif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=skin+packs+with+capesPDF 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_off000109fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001220d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1220D | 21696 bytes |
SHA-256: c97db4b5ed3eab220da16ca3517201ccfe1dfdfb4611bacf2454cb91afb6c41f |
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font_02_sfnt_off00015b86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B86 | 10460 bytes |
SHA-256: d6bc4fcbee834a1744df046bac86ef9a18b9f7f624d50310f4553ac3019147c1 |
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