MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to multiple potentially compromised CMS upload directories and disposable hosting, suggesting a phishing or malware distribution attempt. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://arenabilardo.com/data/_files/42838848964.pdf In PDF document text
- http://begemot-rus.com/uploadfiles/file/2021091410045073499.pdfIn PDF document text
- https://textosolutionslinguistiques.com/upload/editor/file/34411258420.pdfIn PDF document text
- http://noithatachau.vn/webroot/img/files/kikadepoboleton.pdfIn PDF document text
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1039416121.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c480109248---72044443724.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614577b3c506e---duzegesekekur.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/nerutef.pdfIn PDF document text
- http://cleanking.net/userData/board/file/gerodu.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/gubomugeligabenuj.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161322d6b66885---54813154758.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/tuzig.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/lusajuperu.pdfIn PDF document text
- http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xemotejesix.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/90136288845.pdfIn PDF document text
- https://impactmediaresources.com/userfiles/file/fotusiwosafiko.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/34db1ee97b697d74729590db1ea716b9/56171110785.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/juwoxagebifofuje.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/14351808720.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/nolodobogu.pdfIn PDF document text
- http://adacu.org/userfiles/file/20210911202500.pdfIn PDF document text
- https://incense888.com/uploads/files/202109010611304639.pdfIn PDF document text
- http://zezoalza.com/ckupload/files/89491080836.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/jezadogawebegowemaxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=where+to+find+download+folder+on+androidPDF 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_off0000b435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB435 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC47 | 14180 bytes |
SHA-256: 213ddcf5d758437ab8f54a47b3b8b8ce6aba6075ca5b73b39d955ee995bd7a9b |
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font_02_sfnt_off0000efa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA2 | 10360 bytes |
SHA-256: df28d1145cb5dde01b7eefa711617a9fa4bc5d03cb19a741098d3ee78c908482 |
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