MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely exploits a vulnerability or contains malicious content. The presence of numerous URLs, many hosted on compromised CMS platforms or disposable domains, strongly suggests a link farm designed to redirect users to phishing sites or download further malware. The file's structure and content point towards an attempt to lure users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9896
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://lederstuehle-shop.de/ckfinder/userfiles/files/wavibiduvixivaxosig.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/bd3742bb3dd3691583add7211d022c5c/21992406392.pdf
- http://tomaszskiba.com/userfiles/file/65749692626.pdf
- http://omonetach.pl/foto/ilustracje/file/donaladifusejegiwok.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/9458f33269379e0eecc9001945563b60/gojuwawutabawumugufo.pdf
- http://shuswapladystriders.ca/userfiles/file/51101866154.pdf
- http://nprofit.hk/userfiles/desadasatova.pdf
- http://salonorganica.ru/upload/files/zebazozabexawevijeb.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/tn11ukfhidhvemo6puorv5lhko/63428102425.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/64968a9f21e3ee21a7e366518ee1161b/selijapewixorakomizez.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c96ec09d91---lesiziwemotuwulodif.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9eef397d7e---48300553408.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c946a4bb83---43724064883.pdf
- http://cnex.cc/images/blog//file/86008902425.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1bc55e74b1---xuzadoguferumijev.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c55919c345---74131516092.pdf
- https://bank-kredit.at/ckfinder/userfiles/files/8324519986.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783845f2b45---40211422610.pdf
- http://tourbusan.net/FileData/ckfinder/files/20210614_06F6BA6D0F6DE68A.pdf
- http://studiosiciliani.eu/userfiles/files/depofubumoraxupogezak.pdf
- http://emailreceptionist.net/userfiles/file/burunaso.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d0128a777---kewemesogotoredixawanuvi.pdf
- http://qunjl.com/userfiles/files/83076299077.pdf
- https://ibeguiristain.com/userfiles/files/fidik.pdf
- http://klimagra.pl/images/wysiwyg_img/file/53388174096.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/00bf328302ef484bc1607eeae329d034/45756349716.pdf
- http://nhs1968.com/clients/65482/File/70624324688.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=comment+exporter+un+fichier+excel+2007+en+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_off0000e94e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94E | 16792 bytes |
font_01_sfnt_off00010165.bin6b34f5e540791249b95a7541e9f372b958eb612cab4d563ffb95e847d3ce45c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10165 | 11080 bytes |
font_02_sfnt_off00011b09.bin9c8b147643e17a7233f57b96c74dcf521a8de1ba6f3252357bc34d3f8fc15c91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B09 | 18776 bytes |
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