MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document contains a large number of embedded URLs pointing to various domains, many of which appear to be disposable or link farms, suggesting a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, providing no direct textual clues to its purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://philabc.ru/uplcv?utm_term=what+does+it+mean+when+i+hear+ringing+in+my+left+ear PDF link annotation
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134230557f6e---duvutusexujilodiw.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/48031961533.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/pimezunup.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20211002/files/20211002143444.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/wabuxobegudaretixe.pdfIn PDF document text
- http://soyaksiesta3.com/userfiles/file/latiduj.pdfIn PDF document text
- http://tienphat.vn/imagesflashupload/file/2222805167.pdfIn PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/75603153524.pdfIn PDF document text
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/nujegaliwi.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/78492741448.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/66611237576.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/130217936561541f261fb12.pdfIn PDF document text
- https://henuopack.com/d/files/misiruz.pdfIn PDF document text
- http://seanmore.com/userData/board/file/juroxowe.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/57656bb4305ca08db895b174adf82f69/1653453859.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/53303159387.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/rexorijijogajix.pdfIn PDF document text
- https://tanhoaphat.vn/userfiles/file/89350854104.pdfIn PDF document text
- https://handientu.vn/userfiles/file/lunonimaloredifoxopepuwo.pdfIn PDF document text
- https://timavoshipsupply.it/userfiles/file/5568802700.pdfIn PDF document text
- http://samnakthodrahassob.com/userfiles/file/lakosumizovas.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/65911225235.pdfIn PDF document text
- http://darec.sk/files/files/64495716395.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/70548470263.pdfIn PDF document text
- http://adbuilder.at/ckfinder/userfiles/files/66959699381.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_off0000ddf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF607 | 10992 bytes |
SHA-256: eacd59773bc0a84fd4810079e0f796c12a2e6fdda41d1b4641e7cad4d68e8a18 |
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font_02_sfnt_off00010f35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F35 | 17644 bytes |
SHA-256: 5ae697060357141e37e6f5bd9917845f7edbe746bd604790622d2a809b31ae6e |
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