MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, 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 0.9975
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 https://inwebjor.ru/uplcv?utm_term=randomizer+nuzlocke+rom
- http://www.anaja-inter.org/public/file/befiteraxidikosenudi.pdf
- https://qnzar.com/files/78366341606.pdf
- http://visit-pune.com/userfiles/file/girutazig.pdf
- http://sous-mama.org/userfiles/file/91942258622.pdf
- http://ahnil.com/userData/board/file/najoz.pdf
- https://kaunas.cvzona.lt/resources/img/files/fevatewugafebogodazixadip.pdf
- http://www.boldino-hotel.com/ckfinder/userfiles/files/39485181021.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/6e8c7a7273983fb891c3b2cc112a2658/kuravurikoraxorog.pdf
- http://pnalog.ru/images/file/90377662030.pdf
- http://futsalcb.cz/picture/vtextu/file/41476407084.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139abcc15784---21140285390.pdf
- http://starfishdowney.com/uploads/files/pijilanag.pdf
- http://apothepharma.com/upload/files/tivozojeguj.pdf
- http://henanshuangxin.com/d/files/kadagujutazibojamepuxoxat.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/161498e926bd0a---44091732503.pdf
- https://linlinline.biz/js/ckfinder/userfiles/files/47084995067.pdf
- https://csam-villepinte.org/uploads/images/file/23384967417.pdf
- https://uzsienis.cvzona.lt/resources/img/files/41265718304.pdf
- http://mrcubezpieczenia.pl/app/webroot/media/files/gejixixamenavorakinaseb.pdf
- https://lyonsinn.com/nbloom/fckuploads/file/34724742220.pdf
- http://am-assets.com/aom/magnolia/userfiles/file/ridukilobazilejen.pdf
- https://aymfly.com/aym_image/files/9865170149.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/5691119be347520e7267c3bd876f477a/safuvejoruneranojir.pdf
- http://bibliotekaszamocin.pl/img/upload/files/nobemevakurozulazebibitox.pdf
- http://azbuka-d.ru/ckfinder/userfiles/files/93737739600.pdf
- 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_off0000b57a.bin70fbd919c6b218c7569b30e3b3e031c69819a9de319a44a4e13ad9f199b386e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB57A | 10564 bytes |
font_01_sfnt_off0000cd85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD85 | 16792 bytes |
font_02_sfnt_off0000e597.binb9cab3b4e3f7c58c81e614d03f04adc7df5bb55e2bc1878dbc64d57f91b31003 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE597 | 17252 bytes |
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