MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics, along with the ML_NYX_PDF_MALICIOUS and ClamAV detections, strongly indicates a phishing or malware distribution attempt. No scripts were extracted, but the overall structure points to a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://irlanc.ru/uplcv?utm_term=sql+server+2014+administration+pdf+free+download
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/26299440418.pdf
- https://dodatnagarancija.com/userfiles/file/zolagiwanem.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798f9788798---21698569424.pdf
- http://xinyaoqiye.com/upload_fck/file/2021-6-30/20210630072830688253.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607147a34a563---magawo.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16085cc404a56f---78283147161.pdf
- http://morethancars.nl/uploads/edytor/file/24665498852.pdf
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/vuvexovedodarixuwexuseta.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccd115b39ce---71224286291.pdf
- https://sunrise-photon.com/upfiles/editor/files/tiwosijibele.pdf
- http://tamker.hu/userfiles/file/85444983099.pdf
- http://ingfrimale.com/userfiles/files/5554660669.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e83f0a1a9a---77781518848.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/zivipakilibepasekexa.pdf
- http://aj-freight.com/ckfinder/userfiles/files/64651384304.pdf
- http://pi-consulting.ch/download/46794494646.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/vakofizom.pdf
- http://waypl.pl/upload/File/daludumidebekixujogab.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/405565f59dd86348af8f8ef9306edaaf/tirolirukeminedodudub.pdf
- http://szwygs.com/upload/renire.pdf
- http://alliance-ic.ru/uploads/file/41574572009.pdf
- http://thietkewebbacninh.com/webroot/img/files/1801785652.pdf
- https://editions-tlp.fr/ckfinder/userfiles/files/lowakapusejog.pdf
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/29ad13da8ed4a4323d78df65c001162a/panuxamufuvatelabe.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_off0000f1a6.bin0fc019ec4d6320ca5f33d9541dad2eea68256877f38619fe4756f2fc89aa1993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A6 | 11404 bytes |
font_01_sfnt_off00010c75.bin71d153efc61167d6add7594f375cb8904f1c1a685ed5fd681b8bbd1735dc2a28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C75 | 17204 bytes |
font_02_sfnt_off000139be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139BE | 16792 bytes |
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