MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm or redirection scheme. The presence of these links and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate an attempt to direct users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://konemara.hu/userfiles/file/95860124994.pdf In PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/93613228003.pdfIn PDF document text
- https://careersourcechipola.com/files/public/66165885101.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/2icviqes0gkinsskk9gpeo83t7/13276492760.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d8fd61a5d---begatuzapafito.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/lavafowo.pdfIn PDF document text
- https://visionbrindes.com/admin/fckeditor/userfiles/file/50826701815.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/togibaz.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/jiduduvusikinuxixew.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/23916927012.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/93247884210.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/vebesobakifiranor.pdfIn PDF document text
- http://pechati-piter.ru/userfiles/file/siriduloxexigagidixa.pdfIn PDF document text
- http://www.bandungmesin.com/file/33855002337.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/fdfae4a9e28eba956bb7fae4e82911e0/tamugejafowopipulomakuses.pdfIn PDF document text
- http://avanti.pl/userfiles/file/vivewatakakozipewisijusa.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/siputifo.pdfIn PDF document text
- http://enslev-anlaegsservice.dk/userfiles/file/wagusogogokujunubegarenok.pdfIn PDF document text
- http://galluccifaibano.com/userfiles/file/17339192351.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/77784830009.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/9a797ee2793020a00c7c140e0158bb35/zufin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=illustrative+examples+ifrs+16+pdfPDF 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_off0000c3f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC0B | 10872 bytes |
SHA-256: a1a5dc5187b7e7f212459d3c69a78de04b309836b9084f5f3c961f4909b3de8e |
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font_02_sfnt_off0000f54a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54A | 17616 bytes |
SHA-256: b718e7934e06a084569c98bb67fd02cd627e78ad73347f00dffe7c31b4a4cfb4 |
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