MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, forming a link farm. These links likely serve to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ecohort.info/userfiles/files/49371794784.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f68dd14bd5---51521327493.pdf
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/simugimoxizez.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096981c41e5e---juziwaxotawud.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a7f3d6c40---pedebinenefi.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075f13fb4fdc---10105234278.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/9bfdc4f3a23b586512f4018ac5c3b21b/rozikuduwoduwozujomovogir.pdf
- http://quick-thailand.com/images/uploads/file/liropodawupukalivowutos.pdf
- http://www.blueoak.fr/image/file/zekuvezijadup.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/447efb3aab1b8e9703cb15fe7e9fdbbf/1476037976.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bffdf9a9e9b---52193353202.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9fc98527---68899848294.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/v1cvmbfp0fjhvj4qklnapnt2nc/wefipevo.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cb9532648---43595233160.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3785a1755---vurux.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160824a9275093---73873036097.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3958738b3---8848520928.pdf
- http://www.deopendeur.org/imgUser/file/65435819088.pdf
- http://cdmvt.cz/sites/default/files/pufaja.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/962cfccfa3f8bec789d3cecb2c077f69/40807693569.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a304f0930ac---winefilaloxeni.pdf
- http://mbcasc.net/imgs/file/90895755544.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd93a4397d---52589529316.pdf
- http://greece-ex.com/images/blog//file/17940647167.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=why+does+ice+melt+faster+in+water
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f89d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89D | 16792 bytes |
font_01_sfnt_off000110b4.bin79a50ebbb76d30e0e64c63816559a7b74fa6c57e2f8c24e6e2965e44b489b9dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B4 | 10932 bytes |
font_02_sfnt_off000129e7.binac86b350daa80ce0ff2d1041a663327f2bc077f6e169e2adc694c935fdae692e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E7 | 17444 bytes |
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