MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting, likely to lure users into clicking malicious links. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics strongly suggests this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://mnwebdesign.dk/userfiles/file/77098142661.pdf
- https://annekienlen.fr/imagesfile/23853309228.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/02d42662f208000d0af99ba92299f249/99450039473.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/c1d5c3a7f37f12027dd629d621b17613/pakuporupa.pdf
- http://kapelski.pl/userfiles/file/lugeru.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/d1n7e78mdpvjm1ih9h783ift06/bareg.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b18607a8070---tixosurubekuzizosom.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961ef8c03b0---42064090021.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607815c561e8b---40089044089.pdf
- http://anvlaw.com/userfiles/file/61018806221.pdf
- http://www.houstonorientalrug.com/ckfinder/userfiles/files/jadem.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61a0122e3e---ropixuxedorelot.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0828ac1cbc---pijogotameresezab.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/a85c29f44399fae01b532b7220c3b82c/44691548104.pdf
- http://cancercareresearch.com/userfiles/file/88532505002.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/c561f3d522592fc62c66c84c44c25dea/vikawe.pdf
- http://goldenpoolandsauna.com/user_img/files/xezaxoga.pdf
- https://mysmartedu.com/uploadimages/files/menewosuja.pdf
- http://terezmisszio.eu/files/file/fewezaxojaxizekafufir.pdf
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/0d3508f412235a437fae2285f841df42/lipavigogobajolag.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/eqkg7v7a5sheb697v1jv033eu7/79532039677.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160abc2edd7741---77548778436.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=trivial+mitral+valve+insufficiency
- 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_off0000fe0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0F | 16792 bytes |
font_01_sfnt_off00011621.bin078f11d406017479123d364f289d19c97b158a91ec00508e0942b5b83abb035d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11621 | 17148 bytes |
font_02_sfnt_off00014285.bin677b050a9bf3b02a62428c48640166b44273653d9fcc4ed9f5ca8918e7f7c281 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14285 | 10620 bytes |
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