MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. No scripts were extracted, but the presence of external URIs and the link farm structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ketchas.ru/uplcv?utm_term=conversion+table+f+to+c PDF link annotation
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160c8518814bd8---sezafilaxezo.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/zimilowolanuxivizuzikilam.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/51627894998.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/76980043217.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094040965039---womike.pdfIn PDF document text
- https://ivanamihic.com//files/78898826111.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8268a9b86---ribomiruketiliwizodeb.pdfIn PDF document text
- https://mps-india.com/userfiles/files/80000731171.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b238d26eb2e---sasiwebedovepamov.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/85334469208.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/k2pc3ss5upm3stg4mtnlnm3vdi/30228120155.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/cf06f172a36710530d0a6c2ac1585859/64336375191.pdfIn PDF document text
- http://zeroseistudio.eu/userfiles/files/muxuf.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/molugalujorofujukenat.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a516ae424---10614842030.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/zekolobowowusokupanixaxo.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160999b9488be7---tokuxovuxiduwagagi.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c6baa7de2---10658256165.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/95930175932.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/10998221055.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210619035122160.pdfIn PDF document text
- http://capesociety.ca/uploads/files/11237760216.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/e70456d39b90ad00a17988f3263ef2e5/sutovudikukolepuvemikukoz.pdfIn PDF document text
- https://tckontrola.hr/files/xudorobiwagivikulu.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0e66ea85a---kafusoji.pdfIn PDF document text
- 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_off0000e6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AD | 10568 bytes |
SHA-256: 064effa5759cccd06c7be9adea0e46328b4dff53118e8c96916e97c40838830b |
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font_01_sfnt_off0000ff02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF02 | 17832 bytes |
SHA-256: dd40474d9b7b7c7a090b762497c97398691531e27749aba7e82c240a667eaf94 |
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font_02_sfnt_off00012e04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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