MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS upload directories and disposable hosting domains, suggesting it functions as a link farm. These links likely lead to phishing pages or malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/cf9d0e427733aa8a27d5ae075d6301de/vavirezo.pdf In PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136805ff118f---20994505744.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/dexuvibipatesi.pdfIn PDF document text
- https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/xutizisununavedij.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109022344274142.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/77603884209.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/76763439499.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/maxukiwelifatixa.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/71030413936.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/4643843333.pdfIn PDF document text
- http://artsar.pl/userfiles/file/fubetelibefokaposazexiku.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/62966285869.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/6e86e8942c0bca3544948d7de2d27f34/netavikowusonagaj.pdfIn PDF document text
- http://www.vnv.nu/admin/library/ckfinder/userfiles/files/bawanelinuxanekimiwupalu.pdfIn PDF document text
- https://rubfila.in/files/file/miforifedegajizuk.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/borudazozinasafifanoku.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/susadinixebelovexafidida.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/36224692982.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/0aa134dab720843d4b5b0eba33aeb801/lamefanugun.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/16038375846130179e4f0ad.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16130dc17ce78e---vazudaluwufoparukopamowan.pdfIn PDF document text
- http://origo.ws/userfiles/file/33062720252.pdfIn PDF document text
- http://sanraimundo.cl/dyn/uploads/file/51409455560.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=index+of+tyrant+season+1PDF 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_off0000d4e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E3 | 18136 bytes |
SHA-256: f6b9fffb289df79d622a922d6c8f6b240785628cd2374021b9ec77985af089e7 |
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font_01_sfnt_off00010493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10493 | 10428 bytes |
SHA-256: 2240bdbe156bb96699b21e885a643aa0096cf070254e6b662991f694d76d5838 |
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font_02_sfnt_off00011c74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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