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 0.9977
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 http://turagent007.ru/userfiles/file/34443251946.pdf In PDF document text
- https://infypos.com/infyposcms/media/xesikinewitok.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eea7a67de5---poxexiti.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/90490792704.pdfIn PDF document text
- http://dotbamboo.com/file_media/file_image/file/pedasibor.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/sodikebuxipafuv.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/lapetuxojamunaw.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/gokarafow.pdfIn PDF document text
- http://geoplan.su/userfiles/file/13366282572.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210902154345_2107231462.pdfIn PDF document text
- http://nbkhjc.com/uploads/202109/file/210904004621286276cy6kexalnlta.pdfIn PDF document text
- https://llbyggodesign.se/UserFiles/files/vawew.pdfIn PDF document text
- http://smwiarus.pl/ckfinder/userfiles/files/musidepiwavuvuxikopeb.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/29088561300.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4196b5446---joxapimekobobezeriruzo.pdfIn PDF document text
- http://karthikeyanjayaram.in/userfiles/file/44741444608.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/pumabukivuxi.pdfIn PDF document text
- http://precisao.net/files/files/nodebezexozofiwa.pdfIn PDF document text
- http://tercovci.cz/files/file/69128486707.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/25521549374.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/11a8de0b311c6aba5f1b72bfd309aa96/20476816518.pdfIn PDF document text
- http://vanprodukt.cz/UserFiles/File/zekem.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/rapatezifewo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=conjuring+3+download+full+moviePDF link annotation
- 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_off0000e70e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE70E | 17256 bytes |
SHA-256: 3bd53c00ade5f93c0b0140e53c8907de180c98ad79e3f715b5034f17f5660afb |
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font_01_sfnt_off000113ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012be1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE1 | 11016 bytes |
SHA-256: 89385c893ddc2031e914deee92cb9236931e04c5b8d571dba33f6940f2c0088f |
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