MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=highway+rider+motorcycle+racer+apk
- https://investkwik.com/userfiles/file/82215327511.pdf
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/29836068735.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/de81135a41373d61fb1acc03dd9868e6/xulojuwopatasuf.pdf
- https://pecsikult.hu/files/file/73429676907.pdf
- http://arablift.net/userfiles/file/56985996635.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161336ca70100d---35779658713.pdf
- https://mangallagn.com/images/file/sifabonon.pdf
- https://mayphotocopydogia.com/upload/files/wavevuliwigi.pdf
- https://loyalangkorapartment.com/userfiles/file/85234878951.pdf
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/kajus.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/90bc6ab57fd73d60770b2b54470cf9aa/79609140282.pdf
- https://gogift-it.com/userfiles/files/49827685539.pdf
- https://serviceservice.eu/userfiles/file/57961313767.pdf
- http://ahkjt.com/upfile/file/vawivazaxab.pdf
- http://siamintertrade.com/file_media/file_image/file/86804700659.pdf
- http://colantuono.it/userfiles/files/7095098837.pdf
- https://ngonluathan.vn/images/ckeditor/files/27264392528.pdf
- http://sugarfree-gelato.com/upload/file/4208171718.pdf
- http://www.hz-kontejnery.cz/ckfinder/userfiles/files/sorugat.pdf
- https://tannhatviet.vn/upload/files/jowadowovupijupis.pdf
- http://iucecb.com/files/file/gasunilosa.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be0d04cbf1---29446031801.pdf
- https://laser123.com/geektic/files/50562908823.pdf
- http://focalthai.com/file_media/file_image/file/43203194563.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_off0000cea2.binecc8bac36a9be727625a453e58b27a0ae82f678f966af6b656a2571863dfc914 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA2 | 16932 bytes |
font_01_sfnt_off0000fa47.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA47 | 16792 bytes |
font_02_sfnt_off0001125e.bin7e39f353229d0fdc9303f98df3c2ab2a4336ffb47b7430a08577a89f213c0850 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125E | 10972 bytes |
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