MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites and disposable hosting, indicating a phishing or SEO manipulation attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9804
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 https://bititechnika.com/uploads/file/bowodavixojefeburasu.pdf
- http://naturallabs.fr/userfiles/file/xudugokose.pdf
- http://wardwrightself.com/clients/863644/File/4067128461.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607de3332f82e---najilaporimutatodu.pdf
- http://say-international.eu/userfiles/file/vugaxakitijirusefumegavim.pdf
- http://covinahigh1980.com/clients/1/14/147ee80f0cf2e08ca1b5067d21485a43/File/lugekedidumepetasiva.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e4527f8b297---xodovejixesekidutuxoj.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3c39f3b9f---nivoxiropitini.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a144e9e71bf---noxekuzopasovovijegasabur.pdf
- http://italiangreyhound.pl/img1/userfiles/file/82666024835.pdf
- http://brucemsmithlaw.com/clients/e/e2/e252bfde01ef004f685a9648d307a4b9/File/nobafagobatomuvezuvomov.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16094960f70bd8---nasimumusatare.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef3e1111c5---11888051609.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/3hm29pmuv673d739d5gmmb6icq/87487845361.pdf
- http://oldtimerclub-thueringerberg.at/images/file/48741849624.pdf
- http://scandirent-new.ru/uploads/assets/file/9799664974.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16086120f55cbc---tatax.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/7fc44c2152e1befb051140dcda53450b/5214501863.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/qpolssst8437421ei0bhrkmnd0/32611017384.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a250d9556aa---fowumusoroze.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/kuoc503rtor9dkv0n8k5rqa58s/xubekurabepijasaradefewiz.pdf
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/xufarimivefirubagavidosut.pdf
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0611/6a9d313c2e1e0d946941632dfc01b2e8.pdf
- https://mollis.rs//files/67541159746.pdf
- http://esoftland.com/userfiles/file/29926041238.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=cast+shang+chi
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00019f24.bin476b7da16587e8677f6c27d5545b271b0b1dd6544495b6004cf5d0a576267219 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19F24 | 2124 bytes |
font_01_sfnt_off0001a8be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A8BE | 16792 bytes |
font_02_sfnt_off0001c0d5.bin4586cbb1facb80bdc54d997d98d85a8ea04fbb713b3fa8dc007105e24fbc1716 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C0D5 | 10140 bytes |
font_03_sfnt_off0001d769.bin26fed568c6e02354fc5e6a0d6caa89bbe098cb427f72c40b618cc2c7cbf6e70b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D769 | 18900 bytes |
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