MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains a link farm, with several URLs pointing to compromised CMS uploads, suggesting an attempt to leverage these sites for hosting or redirecting to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the classification as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://microlana.com/ckfinder/userfiles/files/74929939873.pdf In PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf61d9d00a---16627237977.pdfIn PDF document text
- http://aps-mes.com/files/file/sowixodizusaxufojedatew.pdfIn PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a16ab449f0---luxomibefoferigili.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/56614015683.pdfIn PDF document text
- https://ridersshop.it/file/zijodidezafabitifipewiv.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/82997859704.pdfIn PDF document text
- http://aucoindeshalles.com/menu/file/powoxode.pdfIn PDF document text
- http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/31660666665.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/56551183770.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078210b7a8fb---76416587940.pdfIn PDF document text
- http://epoxidice.ro/mm/file/kakisisobosetawuma.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/senibesuxibuta.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfaeb55539f---73981413971.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a599b534662---xobidalikofi.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/ekscrosn78endvmog46vci6tg5/88095583399.pdfIn PDF document text
- https://termoformat.md/img/files/72056077052.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/54475089728.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=best+places+to+find+silver+in+subnauticaPDF 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_off0000e84b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE84B | 16908 bytes |
SHA-256: e23e7ec3ecc0b9052c10d5944958f93226acb828028b64012fdc45ed237797e1 |
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font_01_sfnt_off000113dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DD | 10972 bytes |
SHA-256: 04ef103c4ce77c7864fced2c2b0350fd0aeb0bee7bf71f02d1f23b3173145b44 |
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font_02_sfnt_off00012d50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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