MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. The presence of a 'Payment redirection / bank-detail change lure' heuristic strongly suggests a business email compromise (BEC) attack. While no scripts were extracted, the PDF structure and embedded URLs point towards a phishing attempt designed to redirect users to fraudulent payment sites. The ML classifier's high score and the specific lure heuristic provide strong confidence in this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7b985a24b---89389744129.pdf In PDF document text
- http://mobydick-band.de/fckdata/file/rarijivenaga.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/39111783045.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa21aa2445---51531110854.pdfIn PDF document text
- https://myreply.mobi/snappshott/editor//file/90396247397.pdfIn PDF document text
- http://www.pilartangguh.com/file/54654149577.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/97444770900.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/fevamebabapebim.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/lerofimalimenu.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/3228942241.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/foxubire.pdfIn PDF document text
- http://aotmoo.com/uploadfile/files/20210920_183226.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/73517909862.pdfIn PDF document text
- https://kokomanis.com/contents/files/10077837633.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/41649742500.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/77813253091.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/46517233678.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/76288809212.pdfIn PDF document text
- http://sanfrancescovet.com/userfiles/files/65967761216.pdfIn PDF document text
- http://poketomecam.com/uploads/files/zefujupojabusa.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/69105851330.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/mezorukufugodafibotokuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=instagram+followers+free+no+loginPDF 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://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_off00010868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10868 | 10596 bytes |
SHA-256: 7dcfaa3a5b5dbb3455503228f6754a8f5789b1ef7dc9f8499d67c8683dcd3c6e |
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font_01_sfnt_off000120a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A0 | 18696 bytes |
SHA-256: 477ac2c4262959b084ef9a42927b99a4cd29616a0d0763c8b597b7c2486352a8 |
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font_02_sfnt_off00015184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15184 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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