MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting. ClamAV and ML classifiers also flagged the file as malicious, indicating a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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://xn--80aab8aioy.xn--p1ai/userfiles/file/76229409163.pdf In PDF document text
- http://a1-automotivegroup.com/upload/files/pisuroje.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/nadevedabororowejuko.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161326945e1539---30960711613.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/47292208947.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-4/20210904173551161397.pdfIn PDF document text
- https://afma.pt/site/upload/file/8580927202.pdfIn PDF document text
- http://tottazo.com/userfiles/file/82339641253.pdfIn PDF document text
- http://aardbeienfeesten.nl/uploadimages/files/32390123256.pdfIn PDF document text
- http://ideal-site.ru/userfiles/file/rerukogejumunidevoj.pdfIn PDF document text
- http://polyalpan.hu/_user/file/52916475065.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/90106171802.pdfIn PDF document text
- https://extremedriveline.com/ckfinder/userfiles/files/zujuroler.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/wolowijavufexibaxuta.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/80204068459.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/vajowe.pdfIn PDF document text
- http://lechioutdoor.com/userfiles/file/jobal.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///neditebaritoruparokupelid.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/zubededibuzala.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/05/43978876603.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/99598356472.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/givenavoropavidodem.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/72110112170.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/98792047450.pdfIn PDF document text
- http://eiak.org/upload/editor/files/rotexusutizexov.pdfIn PDF document text
- https://ville-saintleonard.fr/pdf/wirefajodijifobegogulo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=words+with+a+and+z+in+themPDF 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_off0000c1b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CB | 17192 bytes |
SHA-256: fed6c0426b1ea585a277962541c03124d226a440999ae735ad2a328f3c502888 |
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font_02_sfnt_off00010676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10676 | 10608 bytes |
SHA-256: 8a15a42241331ba9623c9c8cb57b4221bdcc75d8f711e3476d0de796748d3305 |
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