MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Multiple URLs are present, some pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated and unreadable, providing no direct user-facing content to analyze.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://tuderprogettazione.it/userfiles/files/kigefavepumapok.pdf In PDF document text
- https://zlatartopalovic.rs/files/sutakipiturupiborugap.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/dowevolamuki.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/wefedilulupizasozexoged.pdfIn PDF document text
- https://sistemagestiondpr.co/userfiles/file/24090452582.pdfIn PDF document text
- https://x-software.cz/data/file/gofawadu.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/kuzojupijurobore.pdfIn PDF document text
- https://pratham.one/file/43988002578.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161314a01cf46c---pujumilifidunapuxuf.pdfIn PDF document text
- https://dazhonghua1688.com/ckfinder/userfiles/files/28209508000.pdfIn PDF document text
- https://plewmal-d.com/Uploads/files/60891878095.pdfIn PDF document text
- http://discus-rus.ru/upl/file/dogakaripo.pdfIn PDF document text
- http://utpcomp.ru/uploads/files/gamekasa.pdfIn PDF document text
- http://teleinwestor.pl/userfiles/file/zugakitajixigabuv.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/a5p5o0j1t0cqjhd7mtktp3h08i/xeram.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/44097161755.pdfIn PDF document text
- http://yuanda-boiler.com/d/files/xubixus.pdfIn PDF document text
- http://nomayaku.com/userfiles/file/6078119223.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/papimuxuladime.pdfIn PDF document text
- https://escaletravel.com/userfiles/files/tilomigigitosakaniwew.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161452e92a98bf---bepowefugebo.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/sowuwudiwekanolemopuvix.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=auto+refresh+app+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_off0000e6a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A5 | 10632 bytes |
SHA-256: 47f7285a4e8df9cf30cd0c49fa7619912f61d2bab69aa66bf88e5cc289660137 |
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font_01_sfnt_off0000fef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF1 | 17436 bytes |
SHA-256: 88f05f21274290181379786cfc563321454c66b7733f0283f750935f108a1029 |
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font_02_sfnt_off00012bde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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