MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://vwtint.com/userData/board/file/towuweniwoxoxijok.pdf In PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1c511e14a---73834292279.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612efd49e8196---28249673422.pdfIn PDF document text
- http://orthocarecentroortopedico.it/userfiles/files/pijisonew.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/sororeravulezasaxivop.pdfIn PDF document text
- http://kystar.net/filespath/files/20210908025727.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/rodaveduzek.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/rabadalezifowudadaboxux.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1630700444.pdfIn PDF document text
- http://etasystem.net/userfiles/files/88422937353.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/tifazijobusesugup.pdfIn PDF document text
- http://evolution-dev.com/file_media/file_image/file/jarukalitatovizetaxixuvi.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/mujezakupefifepanakana.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/ledarifod.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134f98523b09---wifujuraxasezoz.pdfIn PDF document text
- https://preciseenergygroup.com/media/48524894300.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/59133033872.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/15389694688.pdfIn PDF document text
- https://rafautama.com/uploads/file/kamazivatugo.pdfIn PDF document text
- http://coaching-scolaire.net/userfiles/file/vubiravinipowes.pdfIn PDF document text
- http://inica.org/files/file///30964581554.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=free+skin+ml+injector+2021PDF 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_off0000d4da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4DA | 17320 bytes |
SHA-256: 5de36a1f268aa49e7c8dbfb4c2bd707a9c0a3d278220a05cead0e09b12f05c7f |
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font_01_sfnt_off0001012e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11945 | 10724 bytes |
SHA-256: 22b6337462b0331008a09d284da2dd5e0c4f33af8a43c82845dbb9f0b2709609 |
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