MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. It contains numerous embedded URLs, many pointing to domains associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall detection profile strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://lidiyageorgieva.com/ckfinder/userfiles/files/wifefisuxidijebujozi.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e7be4b5e5---dofawolowe.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca2362f16e---velixuzaxarenesegefazav.pdf
- http://intertribo.sk/files/27520568273.pdf
- https://pearproperties.in/userfiles/file/remijopumojalodemedovasik.pdf
- http://njchemland.com/upload/files/dubejipubikobij.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161313b88ee6f0---75973993666.pdf
- https://jmcoverseaspvtltd.com/uploads/files/selokawow.pdf
- https://contabilidadegoncalves.com/fotosempresa/files/pukirofujefise.pdf
- http://tridiart.cl/ckfinder/userfiles/files/37811968479.pdf
- http://madmojo.com/fckupload/file/xuziriwavowadame.pdf
- https://nmcs.ca/userfiles/files/darugutarazutugemobeka.pdf
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/84508952820.pdf
- http://sobateracota.ro/mm/file/ximapewe.pdf
- https://sagarexpress.com/userfiles/file/jufuko.pdf
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/87059435831.pdf
- https://dichvuhappyhouse.com/upload/files/fopuwepisa.pdf
- http://chongros.com/userData/board/file/57391646509.pdf
- https://pfollowers.com/ci/userfiles/files/65347165211.pdf
- http://www.cerathai.com/image/upload/File/tesanugor.pdf
- https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/17284548758.pdf
- http://sevimticaret.net/userfiles/file/dajuluf.pdf
- http://tiga.co.th/ckfinder/userfiles/files/83212806878.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+cast+a+phone+screen+to+a+laptop
- 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_off0000af98.bin4a4beeabf7b77dedea3e667af1c923c225817eb319e69d7e6ca59c97a22d8483 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF98 | 10456 bytes |
font_01_sfnt_off0000c754.bin72834fc85476a5ec301e83c2b1ddbb9924f891c8ccbd9bc3f975f5271f11c195 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC754 | 16612 bytes |
font_02_sfnt_off0000f1a9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A9 | 16792 bytes |
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