MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous compromised WordPress sites, likely serving as a distribution point for malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the nature of the link farm suggests it's designed to lure users to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071b173b3907---19704808503.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f53fd2a7953a69742162cbf125ce73aa/sofomona.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/h042a1pp6vpqmiaprg0kojduv5/vulazofulexumuzoralulokoz.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c1c10ee0c---legibugigubosudujunixi.pdf
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/9761d1673d0f3a023f1ceb4c4f6c40f4/rawitebebipov.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/qbf1sisuv31t7ua2dtgtjijlaq/71690801164.pdf
- http://memphiscentral1969.com/clients/865565/File/zazusikoxunaribomekewem.pdf
- http://shqinze.net/admin/upimg/file///81646041114.pdf
- http://otoozevran.com/resimler/files/61519281731.pdf
- http://phanphoiongnhuahoasen.vn/upload/files/52399386230.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf883699a5---xakogugawewa.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607092e46aabf---petufimexixubobevipigote.pdf
- https://ijmscr.com/ckfinder/userfiles/files/negovokobekugezupumo.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/328eigjjin84lnr65alf5ktb7n/pubelevatuxopug.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/wejida.pdf
- http://www.climatisur.com/ckfinder/userfiles/files/pejubofopuvotote.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb295880eb---furanebumagamoz.pdf
- http://cdwy028.com/uploadfile/file/20210629050153.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0ca1d65ed---vubebusakazaliwobowigut.pdf
- https://ruedi-leuthold.com/userfiles/files/65457469938.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bb282cf24---117258900.pdf
- https://debcopharma.com/userfiles/file/33933586424.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16081969651fb4---87427747126.pdf
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/9aibqpv4kn7u0le6n1ubnlkiek/tadaxadanaluzaluwiwiloru.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=concepts+of+programming+languages+by+robert+w+sebesta+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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010ae0.binc26743b87dfacdf0858f4b0a7ceb4ab939aa0c8d2a68f1ccae901a3bec0cb177 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE0 | 16488 bytes |
font_01_sfnt_off000121ea.bin579ef22086287644a7c75e6468cc2a3a074523cb81f8a5384cf5c64a2d3ddc50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121EA | 18376 bytes |
font_02_sfnt_off000151c2.bincbaf200e5f8c17421e21cada633b391ed011df8a463903012d5dd9f1aadc0d0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151C2 | 11436 bytes |
font_03_sfnt_off00016c6f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C6F | 16792 bytes |
font_04_sfnt_off0001847c.bin80c3f518110c3ba57e6ddc3db78452093221897be0d2dd2dadc8b5580d2cdcb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1847C | 2080 bytes |
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