MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
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://mindentudor.hu/userfiles/file/80400038646.pdf In PDF document text
- http://mtreurope.com/ckfinder/userfiles/files/dutakiwamozasere.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/bufabibabo.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0c048cd7b---narebubudedobasaxavekotu.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/30dc89a703e97b2815d55b3bb3862815/74340964699.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/jizijojumofogixa.pdfIn PDF document text
- http://4bzsoftware.com/Images_upload/files/6228904630.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/63817599446.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/0e0eb94b8bb09367115e0638592c3c0a/jabipifizogakevasi.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/xokojobewumerakomolegex.pdfIn PDF document text
- http://beateromer.com/bilder/file/58965593880.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ccc3095a6---77389813035.pdfIn PDF document text
- http://fsanaq.com/upload/file/210831122504012001fu1yp6sxiv70.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/zotufifagimid.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611026abe97ce---zatizikojamotulo.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160cf9f44efa01---61270147810.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a49483d45de---94422161701.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0670ce9040---66388882152.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf627c5ee6---33853074612.pdfIn PDF document text
- http://mxag.com/upload/browse/file/47157375300.pdfIn PDF document text
- http://intemhathanh.com/img_duhoc/files/bolefogam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=pride+definition+for+kidsPDF 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_off0000b101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB101 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC918 | 10232 bytes |
SHA-256: 7faa1c9a8a67fe93c105501b55d9cb0614e1c74ff84e33d46e6ca5f4fb61fc70 |
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font_02_sfnt_off0000e030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE030 | 15048 bytes |
SHA-256: a5e4d572461bd85ff8731f7ea2e236c3634fa428b9142c2a13692eeee78ad13c |
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