MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also contains numerous external links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://architettorobertafasola.eu/userfiles/files/48946426928.pdf In PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/37959414925.pdfIn PDF document text
- https://barrierball.cl/ckfinder/userfiles/files/94577448703.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/6c12e4c3a08929ead4d6b7b06b463caf/30913112532.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/94212057067.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/kakanifedikewuvalima.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb712447787---16279996887.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/17158446887.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/427bc0908d3c26cd1b1be5f8a58b3de0/gudixujidirizu.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b3a57d3da---69767742463.pdfIn PDF document text
- https://noble-program.site/js/ckfinder/userfiles/files/tugodogilusiv.pdfIn PDF document text
- https://samowar.ch/upload/file/48139893618.pdfIn PDF document text
- http://tcurryproperties.com/konadnew/userfiles/file/konaxodi.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/vemusogub.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/gupekusamuleze.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/20056352175.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094337161c48---86057761136.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/ed2bed0a66056a0c0cc10ece0cd5c588/68548209043.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609050e15b1ae---53635668134.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/3c7babecceb4fa79beb72ac85011b877/90535561358.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/volovesuzomulixukuwesowu.pdfIn PDF document text
- https://iamtimeshare.com/userfiles/file/batiludajoduv.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082cb240067d---rutoxaxute.pdfIn PDF document text
- http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/13957861903.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=what+is+the+definition+of+unicellular+organismPDF 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_off0000e958.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE958 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001016f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1016F | 11016 bytes |
SHA-256: a00a1fb22575599b080daffc8b7c016b26aa8ced3b794f0a24a33e60f0678108 |
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font_02_sfnt_off00011aa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA7 | 16812 bytes |
SHA-256: 85828fcf968264a69a2a4426d746b9f0a29d15251750ca1625cd84e66656ed43 |
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