MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to phishing or malware-distributing sites. No scripts were extracted, and the document body was unreadable, but the heuristic findings are sufficient to infer a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 http://choinka4x4.org/cms/files/file/kagutepusekudijusonogir.pdf In PDF document text
- http://www.darvidproperty.com/news/file/lenekapuzixajoted.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/1747889078.pdfIn PDF document text
- https://eletroluz-al.com/_IMG/img_internas/file/79056858239.pdfIn PDF document text
- https://pavillonwohlen.ch/userfiles/files/16666421172.pdfIn PDF document text
- https://pendekaremas.com/contents//files/xogogibamu.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc4029cc9d---8859400770.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e37aa83f4cd---pebumowiv.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/sewerobip.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/1b938317afab511ecc3367c882ef375d/84927305098.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/2cf0abe747a8a657fe45467a33e78a0e/44509183972.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/jerajuno.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/zovozesojoleguxi.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/39879488781.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/8sitvr2e5hvgmo26cil6i1g3e2/35443837731.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/pijufexofelopotatew.pdfIn PDF document text
- https://flyags.com/editorResources/file///nifubadibarujudelilenuba.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085658c1298f---litelodejate.pdfIn PDF document text
- https://southafricapools.com/contents//files/pubugufiregax.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4e59cb330---zemixib.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d1e726f5f---miminibugitowiwelafez.pdfIn PDF document text
- https://bucatariizidite.ro/printuri-fi/files/41419526160.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c48996165---rexoxumow.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beb3fb77bb9---bizapopekobenifewol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=sked+stretcher+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_off00010724.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10724 | 10692 bytes |
SHA-256: 91a2e6d1ad4e28a792e816868c7e412a4785acee6a371e6e516ce3b019272f5b |
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font_01_sfnt_off00011f7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F7A | 17996 bytes |
SHA-256: a7ea6313a06a32b3264481e38ee47d0d8a3eb7682b6f50dd28cff9edd34e2394 |
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font_02_sfnt_off00014e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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