MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress uploads or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://faceconnects.com/ci/userfiles/files/ferikezibotebizumotigoju.pdf In PDF document text
- https://onecre.com/images/content/files/duboxawaxajibagimugotemi.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fdd812c63---kurakubitur.pdfIn PDF document text
- http://geombiagioschettino.eu/userfiles/files/dadubagezunajiketa.pdfIn PDF document text
- http://48bulls.com/js/upload/files/rafamifesotut.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e681df0755---60062049044.pdfIn PDF document text
- http://www.chubsorn.com/file/files/foxorudiboziwabu.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39481812872.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/tivubupivalikofupetexufam.pdfIn PDF document text
- https://rheinfurth.de/userfiles/file/61943440862.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/salasakafivop.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/85457790412.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/2021913529209397.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/35066462972.pdfIn PDF document text
- http://allineers.netlovestories.com/upload/files/74959255211.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/zidapamujowa.pdfIn PDF document text
- https://comfort8889.com/upload/files/38108136505.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/jimafakofomukibisa.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136720f72b62---48844393488.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=niantic+banning+spoofers+2021PDF link annotation
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/81706414577.pdfIn PDF document text
- 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_off00010899.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10899 | 18376 bytes |
SHA-256: 0dab0c46e924711e81827e8e9f4980602756a9dc581fa8eb841b2548fb18a3c7 |
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font_01_sfnt_off000138b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138B4 | 11020 bytes |
SHA-256: b2f14808c9b47e77b621a91498bff20e0ae4e7091a38df7ff780d06072bc87e4 |
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font_02_sfnt_off00015266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15266 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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