MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://rw-hse-businessconsulting.de/userfiles/file/63767393289.pdf In PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/60590599247.pdfIn PDF document text
- http://kitpaisal.com/mypicture/file/42090787344.pdfIn PDF document text
- http://pacemakerpressintl.com/uploads/assets/file/38034102355.pdfIn PDF document text
- http://globomax.eu/userfiles/file/mememolami.pdfIn PDF document text
- https://gcr.goldcrownresort.com/magazine_files/files/28476679200.pdfIn PDF document text
- http://hidrometa.com/images_upload/files/nubepagewigupuxapigubem.pdfIn PDF document text
- http://cabini.it/userfiles/files/47267325858.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/68853871062.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tudexedudiweli.pdfIn PDF document text
- http://terezmisszio.eu/files/file/kisuvejinirefedijetaj.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/438ab7a8e95d61ffbf1194f4cc02f458/87004098139.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613069250852b---jakasinunufag.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/22394247733.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/11572430831.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/filivuvekejakolatenewa.pdfIn PDF document text
- http://viettruss.com/upload/file/36942358618.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/zebogorat.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/46182248752.pdfIn PDF document text
- https://tybistanbul.org/resimler/files/dagaporuvanumegapibud.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/belazotuxaj.pdfIn PDF document text
- http://khacvietlaser.vn/public/images_news/files/57520445987.pdfIn PDF document text
- https://limsurempat.com/contents/files/25348807888.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/89156459421.pdfIn PDF document text
- http://pune-india.info/userfiles/file/xisag.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/c037da0df53d3634e3bd10c29b94d171/pogusejud.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202109130348595858.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=network+refresh+androidPDF 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_off0000db85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB85 | 17244 bytes |
SHA-256: fc7437f3958b5473876fd2b6b699d2738f2f1d987a9ead413fe6545d1d32a6c4 |
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font_01_sfnt_off000108f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F2 | 10560 bytes |
SHA-256: ca8198e50888d0e5a5db6df15261b8a798662b280e4f8fcf7627e82128d43e19 |
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font_02_sfnt_off00012112.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12112 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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