MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm or redirection scheme. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://b2b-intelligence.it/uploads/file/nosudabunakokikanaki.pdf In PDF document text
- http://forter.vn/hinhanh/file/musemujilufebibaxep.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/gozimukewodolomejoveduz.pdfIn PDF document text
- https://aashianarealty.com/file/repuwofoperasevukaximer.pdfIn PDF document text
- http://showplus.ae/userfiles/files/funidurat.pdfIn PDF document text
- http://flightshop.jp/images/blog/file/82566148254.pdfIn PDF document text
- https://tvsporedi.si/vsebina/21851397801.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/15892900531.pdfIn PDF document text
- https://senhewood.com/d/files/69904988553.pdfIn PDF document text
- https://techielingo.com/fck_uploads/files/51798187993.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/vepiwejibepana.pdfIn PDF document text
- https://brs.jo/userfiles/files/nudefilexofatosa.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b18aa929635---69551704904.pdfIn PDF document text
- http://www.dereformasenalicante.com/archivos/files/pijirabuloxebedok.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160831b0e7e2bb---regogodanesifexagevotoz.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161274b2c53015---86936123455.pdfIn PDF document text
- http://nothingelsematters.net/pharma/images/files/16838333567.pdfIn PDF document text
- http://poiskvod.ru/images/file/24544304705.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/60063210473.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/20801497264.pdfIn PDF document text
- https://bloomeng.com/uploads/55761704228.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d08a1ba524---63665634730.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=cool+cat+wallpapersPDF 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_off0000e2b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B5 | 18140 bytes |
SHA-256: 8fca3cde739779daea02fd567e2c4fa0336e6c1ad248f28fef7a6d81db7f2c8c |
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font_01_sfnt_off00011166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11166 | 10288 bytes |
SHA-256: f8a8b65d021871b0788ec3b3f01b48be81fd4dde3aa765aead61c5171087acae |
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font_02_sfnt_off000128e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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