MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely serve to distribute further malware or lead users to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://crewmak.ru/uplcv?utm_term=how+to+say+hi+in+american+slang
- http://amctop.com/board_data/editor_img/file/202106140310.pdf
- http://thekitchendesignstudio.org/uploads/files/zafuzuvuxe.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808ce4b75e5---24761133859.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/00eb72a6090d66250ab77452999d92e6/jiwojosajul.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/14a906cd035d3b1ccf5c4bf74a93ec05/weriwavafiresosu.pdf
- https://spheresignal.com/app/webroot/userfiles/files/54562699947.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vcubfl56295l5mn7k2vi0psc04/96381632609.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f62baf61c2a---wikemisidulokilomenepuga.pdf
- http://vksraja.in/fckeditor/upload/file/pufunumusi.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b021ecd84---88290610295.pdf
- http://progfin.pl/userfiles/file/nibojimewode.pdf
- http://reicar.dk/userfiles/file/bavagozesozirodemumonu.pdf
- http://videofilm-tv.ru/content/File/nedorazulesefetu.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/0kvrj469ccjkqd04tnjbgp1l46/81173185015.pdf
- http://plastikacz.cz/soubory/files/73238180020.pdf
- https://willmarareachamber.com/ckfinder/userfiles/files/dujewiduzunowawafesowo.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/f4et976ddjilqs6jpt7b7949l4/muvozorazadij.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3509e1ff30---bivamokukadurukemi.pdf
- http://akcjonariusz.com/UserFiles/file/gidonibupukaboruwomoz.pdf
- http://agama-rc.com/upload/files/xukexodogavote.pdf
- https://muguet.fr/sites/default/files/file/89829060171.pdf
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ee645e795---xodupoxar.pdf
- http://aweibel.com/Photo/file/rorefinarivuwiriwemorixi.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5eb631765f---75705949540.pdf
- http://aklond.com/UploadFilesfile///2021070719424579.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001130b.bind716619ed2fbde29e326805883fa038e95bf9cc7bc1b08f2e65fe9749d928df1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130B | 19460 bytes |
font_01_sfnt_off000144d0.bin1213a7bc2373bfdda70cc7655b49925fc7bcf38f606d7a9d86c21dbe4ab38a15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144D0 | 10868 bytes |
font_02_sfnt_off00015dc9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DC9 | 16792 bytes |
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