MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised websites or disposable domains, suggesting it functions as a link farm. The primary purpose appears to be directing users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://catamma.ru/uplcv?utm_term=best+battle+royale+games+android+offline PDF link annotation
- http://xn--49s538bo8ux8c.net/userfiles/file/guxeliguwodasige.pdfIn PDF document text
- https://texasbordervolunteers.org/userfiles/file/41333425183.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/nupiwipavedawilogewal.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/5985418863.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613378b294774---8355266531.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/13127831370.pdfIn PDF document text
- https://hatinhjobs.com/upload/files/35181389069.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/24623968253.pdfIn PDF document text
- http://eternaseguros.net/files/files/6888552191.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161377b623c891---pamojagebegoligawedebos.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/vezawevemeduvifup.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136943687afc---89528894189.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/v3dnoue46j66h2of9qgcic4l56/56073989579.pdfIn PDF document text
- http://eternalcycle.com/FCKFiles/file/40011402486.pdfIn PDF document text
- http://tovicetour.com/FileData/ckfinder/files/20210901_7E7151AFB02367E1.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137eb9f8628d---83129691178.pdfIn PDF document text
- https://ka-base.no/images_students/files/kuzodidexepuwog.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/1003989541613ffa46dd43a.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/73514329040.pdfIn PDF document text
- http://cortabellanews.com/userimages/fufabuporemilenaj.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/70535964425.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/rikugevozekosatokiwivir.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613003d86c098---laboderof.pdfIn 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://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_off0000ecbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBF | 16796 bytes |
SHA-256: a58d7a757d78d044e52f650d90f46c219daede9ec50c59ae2c88028833865256 |
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font_01_sfnt_off000117ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117AB | 11004 bytes |
SHA-256: b181da810d7b54f2ce032398e49a16a2c0a7a7e9857cb92a7ca9e7aa3d3df7a9 |
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font_02_sfnt_off00013118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13118 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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