MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised or disposable domains, a common tactic for distributing malware or conducting phishing campaigns. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body is unreadable, but the presence of a link farm and the high confidence verdict suggest the primary purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/29125158459.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/1m89fkh8ge1jdjbqc61i70njnr/tapotalelafupadeb.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161361190e35b5---30891976240.pdf
- http://patanamachine.com/imgUpload/files/kipamipikovodasukemaxuwo.pdf
- http://prestinoequitacion.com/imagenes/upload/files/36330118370.pdf
- http://pincesorvarshop.hu/editor_up/furubozopivekatowef.pdf
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/40682127181.pdf
- https://cmoretv.com/userfiles/6318167007.pdf
- https://rajatotogroup3.com/contents/files/xipobajunuvisa.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/6c29312e03ab3fb5650a87402a6d521d/48927154516.pdf
- https://globalmediaminds.com/uploads/files/ruxunulivotetikikekojez.pdf
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/goxeja.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130134ad8d2f---fixilenurove.pdf
- http://gazduire-domeniu.com/UserFiles/file/wuziju.pdf
- http://mannadey.in/FCKeditor/file/63018223879.pdf
- https://groupunsur1.com/contents/files/dusizexilefemitizewugikin.pdf
- http://ebsenglish.net/_UploadFile/Images/file/74105748435.pdf
- http://deshdunya.com/blogimage/file/14114320521.pdf
- http://bookblog.kr/data/file/files/44354743325.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/3373mj24edco1q362r2udeq9uq/pakijulejotusejadujav.pdf
- https://maria-galland.ru/files/file/fonolaso.pdf
- http://ruizhishengwu.com/uploadfiles/file/132114074569.pdf
- http://buyyoutubesubscribers.com/ci/userfiles/files/27946534190.pdf
- http://wintec-samu.hu/uploads/files/fazeduze.pdf
- http://pietrek.com/MARCUS/files/file/66956072882.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=mini+putt+unblocked
- 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_off0000ccd4.bin0e06b1b01ea748e939fa5295144566ea28dc8f3f9afb158de5cd2a1824133b17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCD4 | 17952 bytes |
font_01_sfnt_off0000fbb2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB2 | 16792 bytes |
font_02_sfnt_off000113c9.binbe723ec7a06286f5cb9bd18e8bc88fe560ea979a9d08bc301054ed90ab0c46a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113C9 | 10400 bytes |
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