MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS uploads, suggesting it functions as a link farm to distribute malicious content or phish users. The PDF structure and embedded URLs are consistent with a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://synerhu.ru/uplcv?utm_term=adding+fractions+with+unlike+denominators+notes+pdf PDF link annotation
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/25kta0b19aoffhcjm3tq244jgm/zesanubobewukasijalifugi.pdfIn PDF document text
- http://aivieksteslaivas.lv/userfiles/file/1216816885.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/81604389357.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/caf6db83cfc9599e804bcecb4b8f82a5/lekakivebelejusitam.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/227b35nrddeob9gcnnevfm3q71/81878696059.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe8a943b63---72399969618.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/f11a24ad9f395bf4f41efc2fda7cf567/dumefuxexovesi.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf55d0d833---moboradenipipuleboku.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/85e077586317b0393d37a77d9adc1f8b/melasaf.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/kirerikebogig.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd4c566e2e---tigifanigomotikosenidig.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d8d0615f589958c4d9ce2d17536ff845/27193046054.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6b47bcf979c556f29c45335936271481/fudazowopetoporewulivused.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609efb9a528a9---dazupemi.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/77643814917.pdfIn PDF document text
- https://actor-conseil.com/files/file/tesalajuvogiminorukuka.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082adf4e57e8---jenoxerajanenikuduzosoj.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/03faf3911d46ca30532b4ad8321cd1c2/niputuziborujazuduv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC9B | 5712 bytes |
SHA-256: ff280cdd43e2d73af9b632fd0eb19539fa42433d5f38458d545342ec3b868633 |
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font_01_sfnt_off0000dff8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF8 | 10036 bytes |
SHA-256: b7ac63bc1627bf08b020fa46cd2335ae979ae8824bdadba3c07f412c16861d1e |
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