MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external links, indicating it is likely used for phishing or to distribute further malware. The heuristic firings, particularly the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM, strongly suggest a malicious intent to redirect users to potentially harmful websites. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mifuj.co.za/YmrXLWy8?keyword=anthrax%20disease%20pdf%20free%20online%20download%20full PDF link annotation
- https://dudezixibuwido.weebly.com/uploads/1/3/4/5/134529197/4016158.pdfIn PDF document text
- http://www.gulbaharsigorta.com/contentData/file/60343540088.pdfIn PDF document text
- https://sakidadofedoza.weebly.com/uploads/1/3/4/7/134762178/boliroku-malamoxiwajegug.pdfIn PDF document text
- https://pevapulef.weebly.com/uploads/1/3/5/9/135979240/07199c3c2960.pdfIn PDF document text
- http://leskovec.eu/files/file/87895226347.pdfIn PDF document text
- https://bagolisenavela.weebly.com/uploads/1/3/4/4/134496394/salodopesoxon-datogoketeb.pdfIn PDF document text
- https://wimopoxidiki.weebly.com/uploads/1/3/5/3/135313965/lajagapogitetovamud.pdfIn PDF document text
- https://zududebagulakes.weebly.com/uploads/1/3/3/9/133997448/c0f0147aa1c4a87.pdfIn PDF document text
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/vivasiguroderidev.pdfIn PDF document text
- https://mixutexevegov.weebly.com/uploads/1/3/4/7/134706804/b3dc804e16979b3.pdfIn PDF document text
- https://vezinamitin.weebly.com/uploads/1/3/5/9/135984824/8f0c5b4acfcd.pdfIn PDF document text
- https://tozabofosizo.weebly.com/uploads/1/3/5/3/135340530/4120334.pdfIn PDF document text
- https://zuwoxomefatof.weebly.com/uploads/1/4/1/2/141295256/1162552.pdfIn PDF document text
- https://kebezade.weebly.com/uploads/1/3/4/4/134479439/xawigo_situjumuz_bodujumagow.pdfIn PDF document text
- https://baputopozim.weebly.com/uploads/1/3/5/3/135336161/e29fd6a436.pdfIn PDF document text
- https://zitejapaj.weebly.com/uploads/1/3/1/8/131872087/9949403.pdfIn PDF document text
- https://wunawewob.weebly.com/uploads/1/3/0/7/130775592/gututababasodud.pdfIn PDF document text
- https://rimalelor.weebly.com/uploads/1/3/4/8/134857757/dezisoke_dudememag_manokitaganosuk.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/64786076656.pdfIn PDF document text
- https://bawozumop.weebly.com/uploads/1/3/1/4/131452782/laregesagepego-wutedi.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_off0000d83b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83B | 10864 bytes |
SHA-256: f3294d786f9d108e0006d6e466507bf6f2442eb4f152ebbe204f6bbd325e32a6 |
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font_01_sfnt_off0000f158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF158 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001096a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096A | 17168 bytes |
SHA-256: 43f8dcefcbc1ef2d4213445cd348c154f3b3eea521c9d0b7a354cd5bc36f7d7c |
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