MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b37d870a2---65001432417.pdf In PDF document text
- http://remont-elektro.eu/archiv/file/56304846897.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/2931775129.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/030a8125d331e98ee0d4b69e2af43890/26023991931.pdfIn PDF document text
- http://www.iece.in/userfiles/file/72294614176.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/gipavebobojebenule.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd8e160419---tuwosel.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/lajeluren.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/8fb0a2a099e8dfa2b595bbe9ae549671/40773708450.pdfIn PDF document text
- https://bataretak.com/img/files/file/94903857092.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a55218cf6---48968301895.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ac8f8c8f6---galon.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607487bbe0bc5---wusulikadazigumefoxaso.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/blept5ss36filnsurt3gl9nnq3/mogejewezidonisifiwiguw.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/0fdaabd1d041078581af1b8ad743bcc8/jidoni.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/cpc9c3bv6is5k43a1enobmp9e6/nenotitovajunetapiwo.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8ef549125---vesexamenagalimeb.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/nofobutopowararebure.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608249a490e3b---topasevezetefizexurezagu.pdfIn PDF document text
- http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/judezobamufipove.pdfIn PDF document text
- http://summithigh75.com/clients/867147/File/nodujoletawuwili.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d165bc7c13---82548180070.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/4bf450ddb1d6514b038e0d0a5d2b2df7/91438768938.pdfIn PDF document text
- https://jmtours.co/aym_image/files/90469820475.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=coc+hack+unlimited+allPDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/sezazisuvatata.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001057c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057C | 17696 bytes |
SHA-256: 150e2962c01a9ef07045f53d24fd9c3f4b4a10df17f059b9fde09fd5eec0bd65 |
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font_02_sfnt_off000133d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133D4 | 10592 bytes |
SHA-256: 9fb72585d7ce0c23beddacd9095b6a6f86965024662f733bb40f365132fc148b |
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