MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are confirmed benign, are part of a larger pattern of redirection to potentially malicious 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 http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140f902ad55e---58142849958.pdf In PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/gagonesumekej.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/6659907483.pdfIn PDF document text
- http://jyjjapan.jp/files/ckeditor/files/jebapadalorasusudiruxeju.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/98783288935.pdfIn PDF document text
- http://studiotecnicobergamaschi.it/userfiles/files/koditotewejumobedubitono.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/viwedisipasarigadepu.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/14600409613.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/pg5djqlose9scb365m1gnncsd7/wewugerosexo.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/buroxurutamuxurisobarofaz.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/duxewekurowokivaneb.pdfIn PDF document text
- https://berbagiangka.com/contents/files/19456619389.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/93826386974.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/94674729853.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/jakunubaxajarilimegu.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/28857352286.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136a80b3da2c---fekejemibusivozimifaxij.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/jafawilamopodenewemokuja.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/38605501636.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/24729965944.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210914093848_bz4l7f.pdfIn PDF document text
- http://polipack.ru/content/file/49013049754.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/bukekizog.pdfIn PDF document text
- http://currycornersugarland.com/admin/images/file/77492622513.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=note+9+exynos+gcamPDF 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_off0000dc95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC95 | 10696 bytes |
SHA-256: b9d2808b908662b9eb6cedc55260e4f6bca952f8c2bbce2ef1cbf08e73cc5910 |
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font_01_sfnt_off0000f546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF546 | 18300 bytes |
SHA-256: 67d1bfad7d3322390bb319891b66a8e2e8c37fe4489ff77e7ad3df1653d08e45 |
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font_02_sfnt_off00012550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12550 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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