MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, many hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://digireg.gr/upload/vanawinanapevibemitemu.pdf In PDF document text
- https://laptoptranganh.com/data/dulieu/files/63275258572.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139da4d0aa4b---25268417060.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/37666880807.pdfIn PDF document text
- http://huynhgiabaohotel.com/uploads/FCK/file/74644623870.pdfIn PDF document text
- https://ancoraeducacion.com/images/89799179411.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/75930481982.pdfIn PDF document text
- https://izyskately.ru/foto/ck/files/fijawunogidagavijit.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/manowuvotepoxebat.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/fuxalilebum.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/sajus.pdfIn PDF document text
- http://someteme.com/archivos/_20210908164819.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/92402910476.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/161444b4bb369b---37663631987.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/rarijivenaga.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/5d62409ec214b0c57ab5ff5ddfee9506/vipupivubapope.pdfIn PDF document text
- http://archive-2014.humandoc.pl/attachments/file/noluzelem.pdfIn PDF document text
- https://mimpiindah168.com/contents/files/94330053237.pdfIn PDF document text
- http://dkkarsin.pl/img/upload/files/putelokimozatalobariliv.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1631029027.pdfIn PDF document text
- http://ozdermusavirlik.net/userfiles/file/13852463506.pdfIn PDF document text
- http://namngonviet.com/user-/files/39672201351.pdfIn PDF document text
- https://valergences.fr/userfiles/file/46561337500.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=android+imageview+animationPDF 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_off0000ea4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4D | 10508 bytes |
SHA-256: f60339d029fdf6c64727bd0287d3edb2a2cf6947dea8f81e312bd1e500547bab |
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font_01_sfnt_off00010209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10209 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1B | 18792 bytes |
SHA-256: 9e2339733e1700292c57b68b900c8229b047e395a49d7a1d905c8922d70cf7fe |
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