MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to potentially harmful content or phishing sites.
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://inwebjor.ru/uplcv?utm_term=how+to+install+alexa+in+my+phone PDF link annotation
- https://cuatudongsaigon.vn/uploads/files/zokitisodezeti.pdfIn PDF document text
- http://chanhbon.vn/media/ftp/file/gukiwon.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/2083204d680c67042af23ee5f8e37b32/55980415529.pdfIn PDF document text
- http://massintech.ru/img/outer/files/pitalokugagolasamuxelibol.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/77988264124.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/66036432061.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/63798192260.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/pupagol.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/nixiwexetunoxi.pdfIn PDF document text
- http://www.rupankar.com/fckimages/file/zinadotarugifokivewamuw.pdfIn PDF document text
- http://limoride.net/gallery/file/gibigejabesaj.pdfIn PDF document text
- https://mountmoriahcamp.com/media/94850190374.pdfIn PDF document text
- https://baptistfriends.org/media/zimozobitefepejosusojo.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/xokaweganaxapodavezo.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/766d2f580e186ba0671fc1a2beb66d82/befowodijad.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/2619220455.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/modejibekidewopi.pdfIn PDF document text
- https://eurosan.pl/user_images/file/31806700442.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/82489320155.pdfIn PDF document text
- http://ppogrimall.com/upload/editor_image/file/78775624470.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/zoseze.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322fa6937d8---65992165260.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/simaganufajopereseg.pdfIn PDF document text
- http://lctrading-gmbh.com/ckfinder/userfiles/files/52684171810.pdfIn PDF document text
- 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_off0000dac9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC9 | 16792 bytes |
font_01_sfnt_off0000f2e0.bin1f13e3aa5ae53355b43948e36175825f6198d8210883a009a4f24a090b4672bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E0 | 10708 bytes |
font_02_sfnt_off00010b4b.binb2344668b7d5fc9b01bb276d5b470d72e7a45b3e442065d598630910f2c8711e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4B | 18964 bytes |
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