MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://lingchuanfloor.com/app/webroot/userfiles/files/xebokupu.pdf In PDF document text
- https://siltri.com/fck_upload/file/lodapogipunidigovenodog.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/fubafalisafigufuvuzifu.pdfIn PDF document text
- http://tongshengchem.com/ckfinder/userfiles/files/fifomajuwij.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/zewawenizilunefapoloxevi.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/fowetirataridasozekizawi.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/wugapugisupogupefonilokel.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/ladolij.pdfIn PDF document text
- http://clinton.abwingsmd.com/uploads/files/75205641682.pdfIn PDF document text
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/vesokosaxa.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210902212721699128.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/77710079095.pdfIn PDF document text
- http://tichdiem.surecare.vn/uploads/userfiles/file/jarejuxatad.pdfIn PDF document text
- http://prttour.ca/FileData/ckfinder/files/20210902_0C8A8DBD04455247.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c813243cf4---babadoj.pdfIn PDF document text
- https://crcnueva.naturasoftware.com/uploads/images/files/vefofajerisawug.pdfIn PDF document text
- http://alkanboya.com/files/file///gibowegutavakagezuzuvota.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/aqs2o6j4jhid9qa9vfq7oaj9bc/nolofanipokasima.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/73839552996.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/6324184080.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/nr1bfspq7fbooq3a7p50kr0ahb/nisafalalabozowis.pdfIn PDF document text
- http://lagrupacio.cat/file/76369999413.pdfIn PDF document text
- https://uudanbury.life/files/file/nuvegitepaxofene.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16131d3612386d---ponutudirupaloz.pdfIn PDF document text
- http://thienthaopc.com/upload/FCK/file/wonotobesi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=point+vpn+apkPDF 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_off0000d9d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D6 | 17936 bytes |
SHA-256: 12435ed260ed0228dfbdc01288b3fdc0ed97491a3a9c18944d87ca0527aa37ea |
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font_01_sfnt_off00010843.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10843 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12059 | 9956 bytes |
SHA-256: a6945a4ca1b3dee3a2710b7e6a100bd10476aba1297a9161e098617f4e9dea99 |
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