MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm indicators strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
Heuristics 6
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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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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://madurastones.com/userfiles/file/56363164274.pdf In PDF document text
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/sutatalewitim.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210922_3754D4B7332CEB41.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/61f6f491ddab5b94e5f9cbfd163f1e6b/58071413582.pdfIn PDF document text
- https://gfwofficial.com/ck_imgs/files/manexobaw.pdfIn PDF document text
- http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/30116770002.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/34773677177.pdfIn PDF document text
- http://madonnina.info/userfiles/files/23860636856.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/37537306423.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16153831434cca---7374068875.pdfIn PDF document text
- https://verner.lt/images/files/zikerofejomemakufot.pdfIn PDF document text
- https://harmony.im/userfiles/file/gezakirufol.pdfIn PDF document text
- http://hadt.vn/upload/files/vufiroja.pdfIn PDF document text
- http://worldplastsolution.com/ckfinder/userfiles/files/badomirudafetixevixu.pdfIn PDF document text
- http://kozelsk-adm.ru/files/uploads/files/jofivujutoworesoderu.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/97828440453.pdfIn PDF document text
- https://www.ccs-corporation.com/ckfinder/userfiles/files/nilekiriwavusizonu.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/rulekaripezokikixajir.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7da6ca89---bufejiwazinapozij.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///teduzuwavadasazadefalegaw.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/35d8f8bb0c1c01947a1d3b39f49d6e4a/gufegepidar.pdfIn PDF document text
- https://evabizz.com/userfiles/file/pegasovez.pdfIn PDF document text
- https://cristalparkhotel.com/ckfinder/userfiles/files/18759335936.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=blame+it+on+rio+full+movie+with+english+subtitlesPDF 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_off0000ae31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE31 | 11108 bytes |
SHA-256: aa54684b2752033b06d665a7b2fd96e11706b8b3a1c03e601cd292b3465b0720 |
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font_01_sfnt_off0000c7fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e00f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00F | 15736 bytes |
SHA-256: 972a1bd43732d3e25c58d691ba488626d80256f9860f178021fdd6b54608876d |
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