MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDFs. This suggests a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755ffb89e68---pewupakejofu.pdf In PDF document text
- http://nessium.fr/userfiles/file/70887842773.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/cdmb1r8itmvc6pu0k1iml47hne/kuviwobifog.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/57ctetkmgeoglujiotskk6vbdn/ninalonazurebini.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/ritajetoneto.pdfIn PDF document text
- https://autosaloncenter.com/uploads/files/40452772592.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/85996134920.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/fb183c1ea1acafda04721eaac1102944/bisilujujakeguzevam.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/a2c26224c9d1a5cbd2e1f987c4c37a87/lagekejomefun.pdfIn PDF document text
- http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/6918521019.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/75887875032.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/ebeef4301ca0231a0bd749a30fecfe3a/zupiwajatasetevadujaferos.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/jilalutepa.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/4lgk9vquok2v4t2rr7u066qdr0/lulewugube.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/23692313887.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/38125886343.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/fd22c5a54430b3792bb8c016d5138168/buruxixetitudazedepur.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16098039a7563c---38655497845.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/d528a87dc129bb834eadb339346e2301/99380258243.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/39308374352.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/30168365382.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/2j9h2hk6niclstv01sduh1h9c4/34578152958.pdfIn PDF document text
- http://jvcc.cn/ckfinder/userfiles/files/2106090958588737577cg1r.pdfIn PDF document text
- https://kurishupally.org/userfiles/file/67181539265.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/20353248050.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=life+of+jonah+in+the+biblePDF 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_off0000f55e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55E | 10272 bytes |
SHA-256: 6f8ffebad907fdccbc22842400c9246c2080a3a2a0f239556fe8c555ce02e7fa |
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font_01_sfnt_off00010c54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12466 | 16692 bytes |
SHA-256: f1247348774882c2f2f046fd3c8f841ca090e7358acf030ef1e248577894cb0d |
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