MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to obscure malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/kemoxutuzenirexup.pdf In PDF document text
- https://dorfadvertising.com/ckfinder/userfiles/files/joradigupidivori.pdfIn PDF document text
- http://newshop.jp/archive/file/notagebufinotowawaluvadox.pdfIn PDF document text
- http://chuaphucluong.com/uploads/image/files/nusezoxoviziradizi.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/p0mg04f36vr8j37d4esvp7ksvr/41986910586.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/66427843784.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/365474544.pdfIn PDF document text
- http://rem-proekt.com/f/file/wolarewupatabotemimu.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/kemuruwibuduvaripoza.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/34098468701.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3f9d388f2---fanoki.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/51613732470.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/25af8b9d285a16b1648e4b937247c4f0/petefulaw.pdfIn PDF document text
- http://geasit.it/userfiles/files/sosalopineronubutudogake.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d12fd35033---sugekafozokixejosewiv.pdfIn PDF document text
- http://gangwonbnb.com/FileData/ckfinder/files/20210901_078C6BA6274FD2A9.pdfIn PDF document text
- http://sportsclinicwest.ie/media/contents/file/85731155740.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/guvuvogabenenojepamegal.pdfIn PDF document text
- http://zanethompson.com/userfiles/file/pedimonoxologixop.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/8323919032.pdfIn PDF document text
- http://mobilenmr.com/files/files/fonaviwepivakedomugig.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/zodupisaduwatedewiwomi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+remove+custom+os+on+androidPDF 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_off0000d932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD932 | 10728 bytes |
SHA-256: d5585b95eeaec3549d0847a97087b2f7853838cbf82d9319d6ff8604f1d4870b |
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font_01_sfnt_off0000f1e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E2 | 18488 bytes |
SHA-256: 455debcf4e9758eaaefb26c8966e479830130867f910db47c271c97453fad26c |
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font_02_sfnt_off00012166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12166 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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