MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs pointing to potentially malicious or phishing sites, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a link farm designed for SEO manipulation or traffic redirection. The presence of external URIs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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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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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 https://catamma.ru/uplcv?utm_term=fall+guys+online+with+friends PDF link annotation
- http://trungnguyenjsc.vn/uploads/image/files/zukib.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/wimikepeloxusedapu.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/ruwatudeburijujejolol.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/vks6295ojkrn2k0vbp3qcpvfp7/84835964342.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/paxaje.pdfIn PDF document text
- http://salonorganica.ru/upload/files/34012575023.pdfIn PDF document text
- https://tonthephunglan.vn/upload/files/23103860132.pdfIn PDF document text
- http://positiveforce.in/uploads/files/pivomogagaxeluburawis.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/pavovobaliviw.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/32558508422.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/rimukotovaser.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/06/zisumegunubigaji.pdfIn PDF document text
- http://tabletopad.com/images/file/fevemewuxalul.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/tunemakodikegog.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/47166799335.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/64556593605.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/47529055205.pdfIn PDF document text
- https://wonwon.taipei/photo/file/90890916668.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16147dab8aae2d---forufinamowuz.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/1374819613.pdfIn PDF document text
- https://dienhoanghean.com/upload/ck/files/vuzitixamowumile.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/sigebegovopufojoru.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/dageromavo.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_off0000d77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77E | 16544 bytes |
SHA-256: 3ebd9498b74243fc4ea8fdaa89c6e12d35187790be19b720e90477479fd963a1 |
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font_01_sfnt_off0001025a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A71 | 10908 bytes |
SHA-256: 11d6de9ab5d943bbb63041f0cfb1de020aa4ef21db3f6d9867c71f61cf0bb218 |
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