MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. It contains a large number of embedded URLs, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of multiple compromised CMS upload links further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://ymjgolf.com/file_media/file_image/file/3905379273.pdf In PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e21b4e051---pigikapu.pdfIn PDF document text
- http://fatimaartwork.com/userfiles/file/rujajadole.pdfIn PDF document text
- https://frontivo.ro/userfiles/file/94290282934.pdfIn PDF document text
- https://n-vv.dk/userfiles/file/welopuruvil.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/4662997855.pdfIn PDF document text
- http://xn--h1agcmh.com/ckfinder/userfiles/files/genofagesosi.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/gotogulowenu.pdfIn PDF document text
- http://avesta-hmora.boj.se/uploads/userfiles/files/duwowiladis.pdfIn PDF document text
- http://www.medic-pneumolog.ro/fisiere/file/52840001906.pdfIn PDF document text
- https://sonntag-immobilien.lu/userfiles/files/tixozomexesa.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/jepuzivumojivopimezazave.pdfIn PDF document text
- http://campbellelectronics.com/uploads/tazazok.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/nekugawetevojaxazegijak.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139028a03e73---juripebituleka.pdfIn PDF document text
- http://royalgroup.at/tmp/nexapibudogabesufat.pdfIn PDF document text
- https://www.jnvhardoi.org/ckfinder/userfiles/files/86565416299.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/dotaxozoxew.pdfIn PDF document text
- http://geyuping.com/geyuping/uploadfile/file/2021091119514973499.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/4e0f2c1bb5efaa098f35aecaca3cfe8d/kuselujod.pdfIn PDF document text
- http://cityfate.com/files/files/juxelatukefug.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/72891986850.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/pumekimurowaranogobogita.pdfIn PDF document text
- http://unibeauty.com.br/ckfinder/userfiles/files/doniwag.pdfIn PDF document text
- https://vieclamlaocai.vn/webroot/img/files/zegenukagadugosimape.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=android+1+killer+beanPDF 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://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_off0000cea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BC | 10240 bytes |
SHA-256: 47dfb45b09927269ecdf8ac4dbf023d1dca34e99edb73aa560e884878103bdb4 |
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font_02_sfnt_off0000fdcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCF | 17600 bytes |
SHA-256: 2a93fdb6db145db6265960ae0769e42d8c9091024bff39ec9fcf6c51882cd07d |
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