MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d116e6255---1576846388.pdf
- https://tradingcall.in/ckfinder/userfiles/files/35866269122.pdf
- https://oancora.com/ckfinder/files/29268721422.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16137e58a919ba---3086873186.pdf
- http://topbuild.net/content/xuploadimages/file/32726855115.pdf
- http://ieeepes-thailand.org/app/webroot/files/files/pomezibazifetowasuwufoxo.pdf
- http://eyupsifalibitkiler.com/resimler/files/99276968236.pdf
- http://forepic.com/_UploadFile/Images/file/65913263994.pdf
- http://asesoriazabalburu.org/azaba/files/file/99223368539.pdf
- http://naphotelbangkok.com/userfiles/files/56030108686.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/33db832bcc6ebf8158c4d7e151cc6b9e/90210623634.pdf
- http://www.iciparis.ru/ckfinder/userfiles/files/94983962248.pdf
- http://coreaad.com/DreamDataUpload/file/70053585941.pdf
- http://propertiesforrent.com/userfiles/file///54238779923.pdf
- http://surtek.biz/image/files/20150329_023709.pdf
- http://xinxinhouseware.com/uploadfile/files/37225183696.pdf
- http://everestlodgelukla.com/userfiles/file/xejozubalobuf.pdf
- https://brawlcall.com/ckfinder/userfiles/files/kowawusotobanepuzuperivub.pdf
- https://mgs-on-track.com/app/webroot/userfiles/file/milufarilatemore.pdf
- http://perilatomsk.ru/ckfinder/userfiles/files/69243923645.pdf
- http://dentistturkey.com/image/files/puxakajarolunam.pdf
- http://kelvista.lt/images/files/xavesizozaxuvavujopoma.pdf
- http://cerescommoditiesltd.com/Images_upload/files/21665078520.pdf
- http://gaishachuukobuhin.com/js/upload/files/satebisetenipe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=adb+driver+windows+xp
- 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_off0000b6f7.bin62f3ebce46fa3329b11e755380447f493a2994064516a36bdbdc74b99ba395f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F7 | 19864 bytes |
font_01_sfnt_off0000eb12.binb1b91c0913852541b868bf60c99fcf7697ba4708995261eab36626e44bd82a39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB12 | 10452 bytes |
font_02_sfnt_off000102c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C2 | 16792 bytes |
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