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 uploads or disposable hosting, indicating a link farm designed to obscure the final destination. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://unosms.us/userfiles/file/wudiber.pdf In PDF document text
- https://eletmodguru.hu/files/files/vugokosokorokiwomapipen.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0e44b729---lijivinaladexobewerufivi.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/baf07eab2043670510325cfcef744a33/finufifojokegogijoj.pdfIn PDF document text
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/zudazupezelerafilobe.pdfIn PDF document text
- https://emprenderem.cl/files/45383784223.pdfIn PDF document text
- http://zonweringbelgie.be/ckfinder/userfiles/files/99722932578.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b82be88fbe9---mabirozatezeketanufev.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/dovedulijekexuj.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/58941738741.pdfIn PDF document text
- http://harasim.cz/uploaded/files/rofijafifatafazisajugudot.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/miliwapalutukifemovaxi.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/imoguxadesoxogival.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a39f6b8ab04---41584933663.pdfIn PDF document text
- http://ruoumoc.com/upload/files/mexevefopibavajokik.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/gojag.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609abce33eba3---badelapenivoj.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/dakudemigakimemiwo.pdfIn PDF document text
- http://3dsami.org/uploadfilefiles/58742825932.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/2uui6aqtbg8hcabuhvb3duib14/70396164535.pdfIn PDF document text
- http://seabeachthailand.com/UserFiles/file/10003199728.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/tuzozuvimavexo.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920f34140e9---44247505715.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/45537024928.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4a3965a5b---kerotazapefezovukudeda.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=actividades+para+colorear+de+multiplicacion+de+fraccionesPDF 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_off0000f203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF203 | 18252 bytes |
SHA-256: 81c24bbc26266854fe9f7dd2e311466b3208496b5f53ea7cefb91c52ccede8ed |
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font_01_sfnt_off00012070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12070 | 10928 bytes |
SHA-256: 4fa0f936ef632a0b9a701f1dbdf8fe31fd1a0c8ce3f5a706edc3ee49329699b1 |
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font_02_sfnt_off000139c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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