MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely contains instructions to decrypt an archive or attachment, a common method to evade security scanning. Several URLs point to compromised WordPress sites, suggesting a distribution infrastructure for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/td4jmj0t1vetb4jeos46caeure/64366332372.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/29d29832fca9fb3437de7ceef27ef67c/18555993690.pdf
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/69e50ef73cbdcdfaf48d0298f34f1f5d/gunojapopatanefa.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961f8e8f5a5---vesozoruvonavudaluk.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/2d5e760dcdc8eb7d9178c1d8421c1e6d/ferida.pdf
- https://zemtechnika.lt/public/site/0files/90973162636.pdf
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/nuzusolegu.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d6769f48a4f25fb640038d7e9a07ff36/limujevajutasusulogev.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/83145c46407d8a6447e548530c4eb525/95440344967.pdf
- https://drivetripper.com/userfiles2020/files/18349763452.pdf
- http://chi-kara.net/userfiles/file/5658239717.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/d9c515edb76f3f6f37cacc95e272fb2a/womozazerizewixem.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/1a0d368af7afbaad1de34ad7797b25a5/46080871646.pdf
- https://almondzwealth.com/administrator/imagetemp/file/susesevejo.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088dcf45e1c5---pawame.pdf
- http://robalton.es/Albums/images/file///lokizawojalilofi.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/qfadmtk32c4evgmhtj0v3iogma/lebonar.pdf
- http://stagelight.pl/userfiles/files/fevulugeme.pdf
- http://yaqeen-eg.com/userfiles/file/didawelasupux.pdf
- http://kelvista.lt/images/files/lifovo.pdf
- https://easy2ticket.com/upload/files/nojawuz.pdf
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/pawafewubalosidufikavasap.pdf
- http://easthighclassof1962.com/clients/2/24/240b89ecbeded73b1ae3fdc7544f4fd7/File/9320071692.pdf
- https://iguanapools.com.au/wp-content/plugins/super-forms/uploads/php/files/hjdspsud3kp2p31md2aun35h94/35007264353.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=la+novia+de+estambul+cap+143+en+espa%C3%B1ol
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0f8.bin562d39cc93351683f3420870a5578826c1285db13c691c08f99be18f4980e560 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F8 | 1860 bytes |
font_01_sfnt_off0000f9ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AE | 16792 bytes |
font_02_sfnt_off000111c0.bin6c5d51f0ef810fac49c952e07449ee641ed89f6b735a9c89431152c701a0d977 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C0 | 17692 bytes |
font_03_sfnt_off00013f96.bin845af9b1e09ae8f6d53a2f93e6d27e693c77f8eca5ae0d17d67ea203812a4746 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F96 | 11348 bytes |
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