MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised or disposable hosting, indicative of a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the interpretation of this PDF as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/tuwijafufalaxuzimuluzipap.pdf
- https://betsin.org/userfiles/files/63869156902.pdf
- https://confeccionesruiz.cl/UserFiles/File/titarumepenexobapok.pdf
- https://jagamimpi.info/contents/files/16933854369.pdf
- https://tarzminder.com/resimler/files/68879616007.pdf
- http://jhdjt.com/images/upload/File/79779055883.pdf
- http://robfredo.com/userfiles/file/27718185383.pdf
- https://akemi.ro/hirek/file/19461210473.pdf
- https://samirkumarpaul.com/ckfinder/userfiles/files/45907205134.pdf
- https://apgr.eu/UserFiles/file/57597653104.pdf
- http://ke-sen.com/userfiles/file/1630725452.pdf
- https://junona.manyel.website/images/uploads/medium/12185501930.pdf
- http://mertcelikkapi.com/userfiles/file/tupukepogorofutiliwixika.pdf
- http://jongauger.com/userfiles/file/66808669410.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b5f20c6fb---bexatavawije.pdf
- http://beccaro.it/userfiles/files/vinuweditimubajedesel.pdf
- http://www.tecnobor.com/ckfinder/userfiles/files/zuzodovisub.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/226e705bf04004e7a121b0a0d3c5365b/siwezasogu.pdf
- http://whkmradio.com/userfiles/file/teduroxaxowudawojorubez.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c119e26eb5461d092c3729cf76cd6d9c/pigagejovux.pdf
- http://merklink.nl/site/data/ws/files/50996622355.pdf
- https://binarbaidfabrication.com/public_html/userfiles/file/96043393784.pdf
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66815015388.pdf
- http://facilitymanagementassociates.com/survey/userfiles/files/fujopopovudunet.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0951445f5---pinekarex.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+do+you+factory+reset+a+motorola+cell+phone
- 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_off0000ddb3.bin1939d6dee8bc17bea9747766a99761d6ae46818f50e60112a37c172989f64e75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB3 | 17576 bytes |
font_01_sfnt_off00010bb3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB3 | 16792 bytes |
font_02_sfnt_off000123ca.bin7a48cfd533502919e9653921c078d08bec3845f145c2d8a74d26204ed07277a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123CA | 11084 bytes |
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