MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The file's structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://nomylo.ru/uplcv?utm_term=silver+highlights+male
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c124a19d6c3---kibusinelu.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/oia6hdcsbchh8bqmg8h8o7bgp1/gusidav.pdf
- https://heritagecambodiatravel.com/userfiles/file/56720082143.pdf
- https://mosconi.net/userfiles/file/37861040289.pdf
- http://mastera-mix.ru/ckfinder/userfiles/files/6955513633.pdf
- http://kirakuramenandsushi.com/uploads/files/48699220979.pdf
- http://hakkabrothers.com/userfiles/file///debozodutajajo.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ibtme1p9redeb1t8ibie6c48e4/zefaledomonupe.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0185e2d20---duxumafu.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/fkb5joba4v6s1sctmojqc9vrc3/99122035198.pdf
- http://nowator-zpu.pl/userfiles/file/sejujuwobovimekomaja.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086d16003da0---wudupetozuker.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5b663f333---57646639233.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/5f0c4f10e6f279366713f674fb2407a4/tebadebijamiverezusunu.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9dd93af06---72112540552.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/3d50b88b8f7df2141efdc64df003eb6c/51660603487.pdf
- http://geose.ru/userfiles/file/sepusuke.pdf
- http://altelaw.com/uploads/image/file/34964018034.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9de8225694---16275817962.pdf
- http://namlongprojects.com/images/uploads/files/57864065090.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d76aeb4883c---69665296181.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf74ba64f4---78523649808.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/5c341cb671ed3d74b99c9f07c0924c21/67168739420.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012512.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12512 | 16792 bytes |
font_01_sfnt_off00013d29.bin3e323fb568c9ee80ee827b54251ce8d8fd3d0d417b156be269b56ea3b5e43e28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D29 | 10472 bytes |
font_02_sfnt_off000154ef.bin7186cdcfc3f6041cd29cac624792cd7af1a26a1c71b7388e93ef3b9b54ecf675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154EF | 16364 bytes |
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