MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a link farm hosted on compromised websites, directing users to download password-protected archives. This is a common lure to bypass gateway security by encrypting the actual payload. The ML classifier and ClamAV detection strongly indicate malicious intent, likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16133fc959a026---25761844528.pdf In PDF document text
- http://appartenvue.net/appart/upload/images/15277952609.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/sasikodakukolonuwaso.pdfIn PDF document text
- http://fishngrill.iorderfoods.com/uploads/files/pibusono.pdfIn PDF document text
- http://sksound.com/userfiles/file/robog.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210909_1581A631861E1D93.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/24560345685.pdfIn PDF document text
- https://es21sys.com/userfiles/file/53519526175.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/85292111275.pdfIn PDF document text
- https://www.channeloflove.com/ckfinder/userfiles/files/munusobus.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161316c920bdf4---nikofisibavoxuredazorej.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/tiwebereredugoludevixoxem.pdfIn PDF document text
- http://ceramkgres.ru/userfiles/file/bijar.pdfIn PDF document text
- http://sake2metustin.com/uploads/files/58207751645.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c718c0ebd16f81ba89ac8a0fb3d17cdd/57829465388.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/74949266349.pdfIn PDF document text
- http://avision-italia.com/userfiles/files/86831233807.pdfIn PDF document text
- https://bataretak.com/img/files/file/93107134608.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613930131c48a---87007144277.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/65263509064.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/pabodidakunobomabefutori.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=android+studio+how+to+make+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_off0000eddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDC | 17360 bytes |
SHA-256: f21960eeff3c9a778a1624ccac1f205d155932bc922b03ed32d4064d4fbdcbed |
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font_01_sfnt_off00011b0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0A | 10872 bytes |
SHA-256: 51b434890f5f343a13ea25e802d65fc89af5c12e74a42c5b3da583acc46f2a87 |
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font_02_sfnt_off00013410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13410 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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