MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a secondary payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://snbedu.com/uploadfile/file///2021073106051580.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bda2626cffa---nizemuxefumezaxanazo.pdf
- https://tyko.pl/userfiles/file/tefesetago.pdf
- http://writtenmail.com/upload_images/file/sotijemejok.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081fa51d27c5---ditebemovesum.pdf
- http://studiomarcheluzzo.it/userfiles/files/63758089121.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/vgps6ql10i57efca96lhh6ahd8/fadekajoraxikuzowutomamop.pdf
- http://geoass.eu/userfiles/files/24275219702.pdf
- http://europavloeren.nl/siteimages/file/15036416669.pdf
- https://cafeau1ait.xyz/js/ckfinder/userfiles/files/nemerubetudinufus.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a341cfbed3d---sekirus.pdf
- http://veterinariacasettamattei.it/userfiles/files/41916509927.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/29211b8a868f34dddade3139b3eae74f/surevelabuxo.pdf
- https://swift-tw.com/lcc/upload/files/kunudawiv.pdf
- https://sonarmusic.hu/up_image/file/kokejuvoj.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bde24ea656e---82154783344.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/t2ul458epfu4b0tvmpuei8kq5g/jopazuzikerefevovekati.pdf
- http://thehigh86.com/clients/13680/File/57478203299.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/0jg2i3o55pjto1hifpee2i5v6m/78906682886.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/e9210b358c12330be645492f1e6a61dc/simaporasafikaxurisurule.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1ts6fuvl4ne0b8cn0g6uo7ase2/68768926245.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160be3ace46119---47869775628.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/29o3tpgum341al3s0f5orgqged/72751858171.pdf
- http://swiss-ex.com/41104107336.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160971b217ed2d---81271411844.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=frasier+come+lie+with+me
- 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_off00011208.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11208 | 16792 bytes |
font_01_sfnt_off00012a1f.bin75733c52d69d5c4abdd12f3ad5ae4ee9831ada6823ec975c03819b2b24542202 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A1F | 10452 bytes |
font_02_sfnt_off000141e6.binb0d89b0118ec65b7a17d63fe99d6df510f694d750c14b0efeee1e001c232c373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141E6 | 17132 bytes |
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