MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to disposable domains and form a link farm, a common tactic for phishing and malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9764
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 http://yingtailong.com/upload/file/210901231205680980kr0mxxu5tl35.pdf In PDF document text
- https://romalasergroup.com/userfiles/files/rapudivulojeb.pdfIn PDF document text
- https://giridhareye.org/ckfinder/userfiles/files/vijepepemojajunilager.pdfIn PDF document text
- https://sooryasales.com/uploads/file/69074596658.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/kobezirovewojilerekame.pdfIn PDF document text
- https://hotelgaric.com/upload/datoteke/44163266946.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130920253ea7---81376451499.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/71149091695.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/96982013445.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/15483290576.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/42050259700.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/39860276677.pdfIn PDF document text
- http://nbkhjc.com/uploads/202109/file/210904131941425247glvmng4793ea.pdfIn PDF document text
- http://arisutour.com/ckupload/files/xixegurosiseveg.pdfIn PDF document text
- https://mobisteelegypt.net/userfiles/file/51884494214.pdfIn PDF document text
- https://projetounificado.com/uploads/files/66411309151.pdfIn PDF document text
- http://satthachkhe.vn/image/file/pugibevufiru.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/lozigaboxasox.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613293fd8fbb5---75132438566.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/kebutamomidurire.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/65442764970.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/pumaxufuwaju.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/furux.pdfIn PDF document text
- http://bangdientunhk.com/upload/files/52679236287.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/bizutusisideti.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/89617963743.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021090822490173499.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=box2d+for+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0DB | 10180 bytes |
SHA-256: 413b6d111e850194559370c613e2622a2964679a3a753a5351c8e21c007f3421 |
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font_01_sfnt_off0000d7d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE2 | 20580 bytes |
SHA-256: f66758ab7cb704b342b61a09dea2ddeb27ad9a62210a7f250c9a5b74d5290c1a |
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font_03_sfnt_off00012449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12449 | 16164 bytes |
SHA-256: a0f26d9ec2bc0bbc84dfb8c1a224a49f7f70479ac92e21d726acd811d43f3bd1 |
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