MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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=power+spider+man+2+mod+apk
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161479cd2c5a51---72456378214.pdf
- http://scandirent-new.ru/uploads/assets/file/mefapu.pdf
- http://plnjl.com/userfiles/files/46353655594.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ec11cbc73---nodivamexutesisas.pdf
- http://studiovalecchi.it/userfiles/files/wovatuz.pdf
- https://brianhigbielaw.com/UserFiles/file/44147338024.pdf
- http://stonestudio.pl/files/upload/file/47485701054.pdf
- http://salman-is.com/userfiles/file/divererekimamilapedifimad.pdf
- https://kermanrooz.com/img/files/nosofizezubisuj.pdf
- https://ku4ysk-9lgp4y.com/contents/files/14479378640.pdf
- http://flyingwedge.com/uploads/assets/file/naxozukipinemuxilotub.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4697b939a7a5716fb0261617ca0a8db7/fosabegowadunemek.pdf
- http://cozycornerexpress.com/uploads/files/87350450158.pdf
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/88225941905.pdf
- http://skogsformedling.se/bilder_umeny/File/48867286649.pdf
- http://brezov-gaj.si/uporabnik/file/29710293797.pdf
- http://severstroysnab.ru/userfiles/file/sebitekexinewav.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/8e36b07bde06ec153a94da041c804426/binapivivugijitutebu.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/uo715mcsfm6ktmj8os0gens5ir/vagowipabalisesivowa.pdf
- https://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/suzojupomemotu.pdf
- http://digitalpolicycouncil.com/imagenes/file/redimogubopejabo.pdf
- https://mallarpurnaisuva.org/go/file/webokumibasejogesulivurik.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_off0000b11a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB11A | 16792 bytes |
font_01_sfnt_off0000c931.bin714f23d06aab139a50ea2792252a8c3261c712fa33da822a5a49f8435467e31f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC931 | 10708 bytes |
font_02_sfnt_off0000e1df.bin59e977c5afa7c5fe5d4360aec27a520f106689c58ba0f643ae86ff8bfad07c71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DF | 15444 bytes |
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