MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to potentially compromised or disposable hosting domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using such domains for SEO manipulation or to host malicious content, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests exploitation of content management systems.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://thy-environment.com/userfiles/files/waboxetifepupapebov.pdf In PDF document text
- https://asiarsolutions.com/userfiles/file/72342731737.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/99022363460.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/33551093435.pdfIn PDF document text
- http://laboratoriologos.it/userfiles/files/sejazepilo.pdfIn PDF document text
- https://mkart.it/uploads/file/ridujoserofupiwilefi.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/wojuguz.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/16007534041.pdfIn PDF document text
- https://best-label.com/upload/files/81558201397.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/gilepugilafenasim.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132000b420ca---70753841412.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/67163993266.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bca2b9b04---lapip.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/nofovubabozizovixusatar.pdfIn PDF document text
- http://getsolarny.com/userfiles/file/56242749617.pdfIn PDF document text
- https://permargi.com/files/galeria/files/43067842965.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/vafufewukunitekozebike.pdfIn PDF document text
- https://grafconsulting.pl/Upload/file/fepif.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad4b1938fc---xuvasepiremaginob.pdfIn PDF document text
- http://lex.tj/img/file/82067943601.pdfIn PDF document text
- http://jikaramen.com/uploads/files/xubinedepatutexebozuwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=protocols+used+in+each+layer+of+osi+modelPDF 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_off0000d1e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1E8 | 16412 bytes |
SHA-256: ccdd77533519cd327e150de51f29e1b1b0b08a5d6fc0c2f52a58829c62f04b90 |
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font_01_sfnt_off0000fbec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBEC | 10956 bytes |
SHA-256: ef54872c7c3869510495d10def17ede3ceb05d3c6dedc6ebb0a1f80cd6ae259e |
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font_02_sfnt_off0001152a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1152A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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