MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
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://masterkontroll.hu/ckfinder/userfiles/files/bazikaginusakanufizedig.pdf In PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/kiwinemiwotozodalodevudid.pdfIn PDF document text
- http://idcla.net/upload/files/posimabawewerujofapasi.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/7119240935.pdfIn PDF document text
- http://hiniceshine.com/upload/junonoxojuribejutino.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/tixovomizoragad.pdfIn PDF document text
- https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/vesatubabusotapadobab.pdfIn PDF document text
- http://www.firstpages.eu/app/webroot/files/userfiles/files/82362443727.pdfIn PDF document text
- http://chinastom.ru/userfiles/file/44468522616.pdfIn PDF document text
- https://tanhoaphat.vn/userfiles/file/bovojoreribejupedisesediw.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155e344aaee6---33329079966.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/33287861173.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/onf2avk496thmp31k5j0714b35/soxufovewe.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/limuw.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/xogapamigosujuduro.pdfIn PDF document text
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/kurizanuvemutib.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/tepenodadajotikagazixat.pdfIn PDF document text
- http://s4l.vn/storage/ckfinder/files/xukazajigosajokuworoza.pdfIn PDF document text
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/pakagakiruxevegasowu.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/d15ec6a2bbdd375e5d4a7216d6c4219e/88156699157.pdfIn PDF document text
- https://adasms.fr/userfiles/file/89470966032.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/65911177105.pdfIn PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/vefuxomodeji.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/6506143687.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=tension+causes+acidityPDF 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_off0000e829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE829 | 17612 bytes |
SHA-256: 94207bc2d82a2e730ab8c7bd5bfd493df4efbc7377ac83e7753d21a3cfcfab2e |
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font_01_sfnt_off00011576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11576 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D8D | 10396 bytes |
SHA-256: 028f2729a0cfc7c1fa6e172d08a62a0d2d238805c2d8836efa5cf9bcc59c42b0 |
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