MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous URLs, many pointing to compromised or disposable hosting. The heuristic firings indicate a link farm designed to direct users to potentially malicious content, consistent with phishing or malware distribution. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 https://bellcera.60km.com/upload/files/pufexakoxiwiwogadafes.pdf In PDF document text
- http://petra-koparki.pl/Upload/file/wogabuginokomar.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f46dc07ae7---85300486350.pdfIn PDF document text
- https://interconformity.ro/images/file/jibusezigezorekakekoxu.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/77tvt3e43qd47d4mkdflsndlan/75142251885.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/dogabigonelozugukakajilar.pdfIn PDF document text
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/galadawebavepejeno.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/6490645420.pdfPDF link annotation
- http://ecole-belair.com/ecole/file/89737427509.pdfIn PDF document text
- http://machulski.com/public/file/89979234879.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/datosuf.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7485af115---waluxu.pdfIn PDF document text
- http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/5240282062.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/15884606854.pdfIn PDF document text
- https://simondaulte.com/ckfinder/userfiles/files/3554755556.pdfIn PDF document text
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/85225036639.pdfIn PDF document text
- http://auto-spec.ca/fck/file/95727145702.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/setuwegugegenifebuga.pdfIn PDF document text
- https://invest.pl/userfiles/file/lorerumilowibogojuwemin.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h7l2hvs9igm7ntch8gd3eajpc5/58703629105.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=anelka+misunderstood+watch+online+freePDF 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_off0000d53c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD53C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4E | 17844 bytes |
SHA-256: a2c420458324f46377f91c8731d6b725c4073f06c16e17bd23c09e0767d48645 |
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font_02_sfnt_off00011b6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6F | 11000 bytes |
SHA-256: d0a4670a15460439aa2daf9cb1735ba7ef3728b1cee98874468300aac28ab13e |
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