MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. It includes numerous external URIs pointing to compromised websites and link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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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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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://cructi.ru/uplcv?utm_term=lionel+peterson+praise+the+lord+all+nations
- http://daieimotors.com/js/upload/files/fobuz.pdf
- http://tea-ra.com/user_data/upload/save_image/files/lulibenimovutinapekasuxu.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd7fd30002---44293533990.pdf
- http://project-lovcen.me/userfiles/file/45999814786.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0de586097---wamajutekesagunivubugene.pdf
- http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/jupeduzodomezitovuwiw.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788bc0604c5---10213958612.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/580255e8e49f1be4bfd819d5d0056be0/81970089088.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b99bc3671---84741015648.pdf
- https://alarouba.com/ckfinder/userfiles/files/kodudoke.pdf
- http://heibldr.hu/FCKfeltoltott/file/37903146229.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/c46536ae323739762f9b0ad4dbb3643a/noraworivaguwevudo.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/7l49hmf6eucoa3k4kqcre3lst4/8283825323.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708da863cab---63251621048.pdf
- https://ludifrance.fr/userfiles/file/xoniradoko.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f7c3d5526---xokavotoxoxuvo.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918b01ec346---fupujiloxelup.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608855d93cc2b---73797636628.pdf
- http://savvyais.com/userfiles/file/21130116956.pdf
- https://ms02bet.com/contents//files/8904525614.pdf
- http://4x4autok.hu/userfiles/files/38625435269.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/4pcr4mkqfhaq81kpf7j5ss3aa2/fonuzefuf.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e586.bind6dbfce2436bdae33d423d3dd410032f481fa412fe86edd39a16de3366bf01f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE586 | 14928 bytes |
font_01_sfnt_off00010ba3.bin6adad77046a593a358c4a2008f41f28122792aef58ad3b7dda7fb1b935ad00b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA3 | 10444 bytes |
font_02_sfnt_off00012334.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12334 | 16792 bytes |
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