MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and ML classifier indicated high maliciousness. Heuristics reveal it contains a link farm pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://laborke.ru/uplcv?utm_term=usd+to+nrs
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/hkgquooglrrl9k51k8ri5t0l0i/58398818809.pdf
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/88240700914.pdf
- https://www.pactforfamilies.org/ckfinder/userfiles/files/sizum.pdf
- https://lescourailleurs.com/upload/editor/file/wivefogi.pdf
- https://moto-trend.cz/public/files/fck/file/visekodi.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16088b9bd25365---23188454164.pdf
- https://kiaavcilar.com/upload/ckfinder/files/26467860687.pdf
- http://brezov-gaj.si/uporabnik/file/tuvelisuva.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/l80dpufd65ksss3m854mulcmcm/xarova.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087c385644b2---35114216783.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79d2d961c5---88924760057.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737bc02d39f---22997088726.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c653cd725e9---luvivalexorupizamafa.pdf
- https://heatingboiler.ca/fck_upload/file/wubojukibifomexelu.pdf
- http://studiotecnicodavico.eu/userfiles/files/38113671656.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/70a468301dda573355edbe5b90e3ec94/motaludimadi.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fa65234a---38859974578.pdf
- http://postelezmasivu-brno.com/ckfinder/userfiles/files/nukewulujurigasurux.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/m8do6h8h6leav67r7f3ims3vs0/zafobuw.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/3ddf85150e92643c06bc3893cab15de0/37868751089.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/3pf1o6pojsq640i8mc02nar5r6/topixarizofafo.pdf
- http://valdhans.cz/userfiles/file/wozudadujujujomiku.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_off0000bbd4.bin421120a717d1e904890973f1dd834bf8faf7887ea33697ca1c9145ebbcf5395c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBD4 | 9816 bytes |
font_01_sfnt_off0000d172.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD172 | 16792 bytes |
font_02_sfnt_off0000e984.bin68cd354610958aeffee2b0f972f99c4b79b8012f4efed612bd40a9fddf983813 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE984 | 16572 bytes |
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