MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ML classifiers and ClamAV. It contains numerous links pointing to compromised CMS uploads and disposable hosting, indicating a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests these links are part of a link farm designed to manipulate search engine results or direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://arqing.es/ckfinder/userfiles/files/22383272801.pdf In PDF document text
- http://gayaarchi.com/userfiles/file/20210525130622.pdfIn PDF document text
- http://contentworks.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d33e9a993c---zeritolakufidogelazo.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d67e68969c---maxulekosuzo.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c670b2157---56566069349.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/nufaganenivakategofewewu.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c6fe89dbb---wofajedudosinu.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf590ccb48---rimirosemifulexisimib.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c77ace0d56d---258504356.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/23274040256.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608db9f96e791---vaverejebitebiganunaxidos.pdfIn PDF document text
- http://zh-huaxun.com/uploadfiles/files/97730034132.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16092d724f0c0b---lirufonupanowedenew.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849c68b1f79---romaxazulonumelukekag.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160894ae7bad2c---999003928.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739a78183cf---jegaberimixosaju.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/86735911823.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/b9coh7ikaqouq76fbisoahhd0c/92629678748.pdfIn PDF document text
- http://3wsystems.com/shipinc/userfiles/files/71953745463.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/32726455857.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/16544176034.pdfIn PDF document text
- http://cuathepvangohaiduong.com/images/ckeditor/files/55999146519.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608f653fc6143---6014954279.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/55924782159.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=poweredge+r710+hardware+owner%E2%80%99s+manualPDF 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_off00014994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14994 | 17692 bytes |
SHA-256: a85f90a70359f9e49fcdaef810f25e5180ab19361a002012d6c38f51a6f61dfb |
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font_01_sfnt_off0001783d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1783D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00019054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19054 | 10968 bytes |
SHA-256: 3492d8cbecaf52fc1c0755c9ebcb5d8b63f26e2175bf7765ca993cda0914ca49 |
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