MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of these links strongly suggests an attempt to lure users into visiting potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://mklaassen.nl/images/file/89615828322.pdf In PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/b10871f7ec25d486921bcf536ef0c722/pasajevetonil.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/lopisoxoroz.pdfIn PDF document text
- http://odessawa.com/userfiles/file/bumowamewunuvupaxozado.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613711b8516f3---55748715061.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/79816968917.pdfIn PDF document text
- https://get-insurance.in/ckfinder/userfiles/files/lepesif.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/gikib.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161438b1955529---59978595126.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613631d92869d---59877272457.pdfIn PDF document text
- https://dmshospital.com/mm_engg/files/vulenizumogegis.pdfIn PDF document text
- http://bjxbw.cn/userfiles/file/86260167627.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/80388520889.pdfIn PDF document text
- http://chiron-ventures.com/chiron/home/img/upload/files/2109030321057747165nuat.pdfIn PDF document text
- http://litroshaber.net/resimler/files/fukugomekanejirija.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/82675939908.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/bekopadipuwenojabak.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/73903116250.pdfIn PDF document text
- http://viajaconsciente.com/imagenes/userfiles/file/lerelewazatil.pdfIn PDF document text
- http://moscowballet.ru/userfiles/file/wawabugupiwufelaliv.pdfIn PDF document text
- http://h04ydivan.ru/userfiles/file/98083702294.pdfIn PDF document text
- https://marathonlaval.com/userfiles/files/nefixoselofowaroraxovirud.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/5in3eh9kd9llasckmhqg3i6jks/91117687033.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=cool+things+to+do+with+developer+optionsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dceb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEB | 16736 bytes |
SHA-256: 623598ccce6b764188db4818da85c088773fd086ec0aaae0504f44dc6ba55e36 |
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font_01_sfnt_off0001084a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1084A | 10692 bytes |
SHA-256: dbc507d93b9c331b743a029ee431632e25ea249b9297ef3a300cc6859f2364a4 |
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font_02_sfnt_off00012099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12099 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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