MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, characteristic of a link farm used to distribute malicious content or phish credentials. Although no scripts were explicitly extracted, the PDF structure and URL distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://sinosteelcode.com/filespath/files/20210914053417.pdf In PDF document text
- http://rmgoals.com/userfiles/files/sirorenofopupifalikota.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/11115854503.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/31681648405.pdfIn PDF document text
- https://ww150004.linebot.net/upfile/files/20210909223218.pdfIn PDF document text
- http://napiarsaigh.com/images/7845345225.pdfIn PDF document text
- https://griby.biz/ckfinder/userfiles/files/gunipifimizomaliwemu.pdfIn PDF document text
- http://konakelektrik.com/userfiles/file/99426028149.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/fumudufivugasonatu.pdfIn PDF document text
- https://szpital-sulecin.pl/images/fckfiles/file/wugawomuxidutusut.pdfIn PDF document text
- https://lawina-radom.pl/files/file/27099350468.pdfIn PDF document text
- https://wspaperbag.com/userfiles/file/7479604732.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/pejizi.pdfIn PDF document text
- http://polaryachts.com/res/wysiwyg/file/xowonilixaripofu.pdfIn PDF document text
- http://fermobkorea.com/userfiles/file/20210914115106.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5c28732e0---45636623865.pdfIn PDF document text
- https://globalybm.com/ckfinder/userfiles/files/1631589633.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-5/20210905023338230808.pdfIn PDF document text
- http://www.vnv.nu/admin/library/ckfinder/userfiles/files/tigaxowobevixitovidalegan.pdfIn PDF document text
- http://robwalker.net/fckupload/file/nepametegobubuvonolirozer.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/72574794001.pdfIn PDF document text
- http://satcomlink.com/userData/board/file/porimefefaf.pdfIn PDF document text
- http://teknis.it/userfiles/files/puwuxesin.pdfIn PDF document text
- http://jsdarvin.com/files/jenezir.pdfIn PDF document text
- http://jadeite.ru/images/file/mojizibanogikop.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/2669047734.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=what%27s+aoss+button+ps3PDF 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_off0000d703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD703 | 10420 bytes |
SHA-256: 1f8d499eb1e7a29a308a9c4f339c016cc6aa76cf0513f0d867aba1ce013ef934 |
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font_01_sfnt_off0000ee74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10686 | 18124 bytes |
SHA-256: 6bc2a8e5c8ecd1c4bed9da7669f91966170f617129f9e6c9e91f4710ade7baf6 |
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