MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, pointing to a campaign that leverages compromised web infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://archism.ru/uplcv?utm_term=minecraft+java+edition+free+play+online+no+download PDF link annotation
- http://studioagm.it/userfiles/files/gadofejusekituvixipuluwur.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/5a5386a75803d8dcd310fded27e28e10/34804060352.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/88795003515.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/90074018393.pdfIn PDF document text
- http://www.bash.cl/media/file/65968844741.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/88860659417.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613d37222261f---10993714449.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/24409345968.pdfIn PDF document text
- https://ienter.bg/files/sedegibodipilap.pdfIn PDF document text
- https://parkettworld.com/upload/files/48621049908.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/xotogif.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/mezolirugakezetowakejota.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/fegisalagurapugitoraje.pdfIn PDF document text
- http://galenbio.com/images/upload/file/dumoxepisirifevemu.pdfIn PDF document text
- https://webhosting4.net/media/file/tubasufuwadaxigatatawon.pdfIn PDF document text
- http://araulmor.tel-cor.com/images/library/file/17224711293.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea0027d161---87521950353.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/nebobenefox.pdfIn PDF document text
- http://capri.lt/userfiles/files/regorobikukenaguvin.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/41590163355.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/74565206105.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/29864192616.pdfIn PDF document text
- http://hanleyresources.com/images/63737073492.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/mofalepotug.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/jodajiwemolefapo.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_off0000e6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E9 | 18616 bytes |
SHA-256: 2480587053eb5d4a746167dbf58d4e99953cb99359ca50a2392352172bbd0f1f |
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font_01_sfnt_off000117d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D0 | 10832 bytes |
SHA-256: f6783370ece6962ac386f268a5c54f01533dfc928c6183083b8c4e8986a8075b |
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font_02_sfnt_off000130f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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