MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct content-based clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16146bea58b23b---desokisuwitegoro.pdf In PDF document text
- http://mariautonoleggiomarsala.it/userfiles/files/18156903879.pdfIn PDF document text
- https://superpart.com/files/bubidofurazesekewurameso.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/35050250893.pdfIn PDF document text
- https://protrialse.eu/files/files/nedodi.pdfIn PDF document text
- http://hanauhrova.cz/files/memofoxutajosi.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/lilenopa.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/jimozemojibajufeler.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/5087577488.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137873308902---6274260946.pdfIn PDF document text
- https://stijsr.com/userfiles/file/kivefugedezoli.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/nopovekir.pdfIn PDF document text
- https://vroa.pl/chplusfiles/file/40192628006.pdfIn PDF document text
- https://ilonew.tasksplan.com/userfiles/files/42036850019.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/zixunijisiwu.pdfIn PDF document text
- http://popmetre.com/news/files/68818354177.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16147b7a13eddb---37664627133.pdfIn PDF document text
- http://graficaeformazione.it/userfiles/file/53371496937.pdfIn PDF document text
- http://thechelseaff.com/user_uploads/files/mukebap.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210916_50897CC98366699A.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143e95f6e8c6---3435254339.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/ab45d5807804a2da36e3b9c775d97be0/nuwuzazufe.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161416620bab14---favetukuwemivu.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bc1bb4a43---7062368972.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=define+ethos+pathos+and+logosPDF 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_off0000ee6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6A | 10680 bytes |
SHA-256: 34641692dae5709e88cc572b5f459d07cf6d2dbb6f2a83b55269ed9cab5655dc |
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font_01_sfnt_off0001069c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069C | 18252 bytes |
SHA-256: cae46bbfa9ad1ffdae52e712b87cb946037b76956dc92790b16941b4d2c71cce |
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font_02_sfnt_off00013583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13583 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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