MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily garbled, contains a reference to 'Rambo 3 pelicula completa en español 1982', likely a lure to attract users to click on the embedded malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cructi.ru/uplcv?utm_term=rambo+3+pel%25C3%25ADcula+completa+en+espa%25C3%25B1ol+1982 PDF link annotation
- https://led7.ru/file/99643259786.pdfIn PDF document text
- https://mszukam.pl/dat//file/27104447083.pdfIn PDF document text
- http://yjsyrj.com/userfiles/file/26392019568.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160720e0653293---fimajuwemujifizifazax.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085060aa6e11---sukebimuj.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/675939ec3e6292a82c078cd687747fc6/35781714876.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/51649064ebb5694f3949342f953b67e3/18092977498.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ce1b9064f7054d3b335ec13677862d99/waribosolud.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/0ck594uejc9mo05rgtv8fg3562/25522779161.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c2b5ec43a---wiralidom.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/2581055397.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/0158b68be4c7c3686589863b58d65353/67208547609.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/ffbe229b681c04e98ecff71cf4ff5f5d/98491310444.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/b1e3d408ecc67c05988a41d4381e535d/wosabejomofipomijomidirer.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2DF | 6096 bytes |
SHA-256: a62ec55f14692f359ac32c355766e8b815b47ec27f735a125e104521ab3affc3 |
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font_01_sfnt_off0000e74a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74A | 10708 bytes |
SHA-256: fce76e51e7cfa2ba197de9bdfc6c3c3a3cabd769e0362600577734e5787840da |
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