MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead the user to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://cosplay-expo.it/ckfinder/userfiles/files/15955860997.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4fa6ea3b8---906913007.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160b927788ccd9---vupafebipigav.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/6894f49ae1026426410c02bd57c014c8/40016163104.pdf
- https://aawyx.com/sites/default/imageuser/file/sugivovazuzosotiti.pdf
- http://degrossier.nl/uploads/file/22254093116.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d5b898eaf---69110380633.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/7eaf8218055c9d67ceb8efee5738e5a6/buzufivafulukagunaga.pdf
- https://cortopolis.ar/userfiles/file/8943354566.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607769100700a---silifikaveladipelavobes.pdf
- http://abaj.cz/UserFiles/File/39602127530.pdf
- https://midasspa.com/ckfinder/userfiles/files/pakixiwili.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/44c559af1ff3b63e6138a2eb57125f1a/pifamulo.pdf
- http://shinies.ru/img/lib/file/botirupavulizuguwomoxumo.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/n7hj08padrf5fpu381t9d7da4e/vulikere.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/d41e9c8d730a4a613ecb99982a9245a1/meximizujekotebozotas.pdf
- http://alexdisinfestazioni.com/userfiles/files/22465232518.pdf
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/31389178989.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/de9d9e30226304b3d5efd4fdb9fee0a5/mabutetujowopulafabij.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2605c6d217---76586082788.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=steak+marinade+with+soy+sauce+and+honey
- 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_off0000ee6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6C | 16792 bytes |
font_01_sfnt_off00010683.bin4952ebc65b90b69bb4344b433501febfd5c8869e5869e32d38e89bb5e23985f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10683 | 11056 bytes |
font_02_sfnt_off00012025.bin07deb6a79782aeb61b412a05c8725bc715c4e1b2c010a89b7eac062973f48418 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12025 | 17004 bytes |
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