MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URLs, many associated with link farms and disposable hosting, suggests a phishing or malware distribution scheme. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the interpretation that the document is designed to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://smidgel.ru/uplcv?utm_term=bixby+remapper+apk PDF link annotation
- http://liderzy.natura2000.pl/imgturysta/files/54855523966.pdfIn PDF document text
- http://laxycoffee.com/upload/files/58107460078.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/kamoviwo.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e59fe477bd---pifalopepajebire.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/8025322925.pdfIn PDF document text
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/lodurodire.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/14708395490.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/68941664401.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/kivusosufukufa.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/gereze.pdfIn PDF document text
- https://xn--espaoldetalca-lkb.cl/var/www/html/upload/file/96884785782.pdfIn PDF document text
- https://abofahed.com/userfiles/file/dezevegoga.pdfIn PDF document text
- http://cu-mbc.com/ckfinder/userfiles/files/jujipilapevalejeparoxegu.pdfIn PDF document text
- http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71046397582.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210905_112644.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/cbb11ac72894eff9687eaa1e2b17c989/wolel.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/97039029832.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210911152034.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/lukabemoxuzeli.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/72943850651.pdfIn PDF document text
- http://innotack.com/userfiles/file/93484865694.pdfIn PDF document text
- http://lmnn.ru/userfiles/file/42418990909.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_off0000da14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA14 | 10376 bytes |
SHA-256: 845ebf9030ebf1101a344ca959ebf69f28a6a8114ced472a9f294470424c0a10 |
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font_01_sfnt_off0000f16a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001097c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097C | 18228 bytes |
SHA-256: 2982d7c3721823571626cf709fcf69b68eca442ebfcd59412487212c79123b54 |
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